Install TinyMCE 7.4 via composer

.gitignore

@@ -23,6 +23,9 @@
 /app/etc/modules/Cm_RedisSession.xml
 /lib/Credis
 
+# TinyMCE library
+/js/tinymce
+
 # Add Gitpod online IDE config
 # https://github.com/OpenMage/magento-lts/pull/1836
 /dev/gitpod/docker-magento

.phpstorm.meta.php/magento_blocks.meta.php

@@ -1053,6 +1053,7 @@
             'install/locale' => \Mage_Install_Block_Locale::class,
             'install/state' => \Mage_Install_Block_State::class,
             'newsletter/subscribe' => \Mage_Newsletter_Block_Subscribe::class,
+            'newsletter/widget_subscribe' => \Mage_Newsletter_Block_Widget_Subscribe::class,
             'oauth/adminhtml_oauth_admin_token' => \Mage_Oauth_Block_Adminhtml_Oauth_Admin_Token::class,
             'oauth/adminhtml_oauth_admin_token_grid' => \Mage_Oauth_Block_Adminhtml_Oauth_Admin_Token_Grid::class,
             'oauth/adminhtml_oauth_authorize' => \Mage_Oauth_Block_Adminhtml_Oauth_Authorize::class,

.phpstorm.meta.php/magento_blocks_methods.meta.php

@@ -1053,6 +1053,7 @@
             'install/locale' => \Mage_Install_Block_Locale::class,
             'install/state' => \Mage_Install_Block_State::class,
             'newsletter/subscribe' => \Mage_Newsletter_Block_Subscribe::class,
+            'newsletter/widget_subscribe' => \Mage_Newsletter_Block_Widget_Subscribe::class,
             'oauth/adminhtml_oauth_admin_token' => \Mage_Oauth_Block_Adminhtml_Oauth_Admin_Token::class,
             'oauth/adminhtml_oauth_admin_token_grid' => \Mage_Oauth_Block_Adminhtml_Oauth_Admin_Token_Grid::class,
             'oauth/adminhtml_oauth_authorize' => \Mage_Oauth_Block_Adminhtml_Oauth_Authorize::class,

.phpstorm.meta.php/magento_helpers.meta.php

@@ -2,11 +2,11 @@
 namespace PHPSTORM_META {
     override( \Mage::helper(0),
         map( [
-            'adminnotification' => \Mage_AdminNotification_Helper_Data::class,
             'adminnotification/data' => \Mage_AdminNotification_Helper_Data::class,
+            'adminnotification' => \Mage_AdminNotification_Helper_Data::class,
             'admin/block' => \Mage_Admin_Helper_Block::class,
-            'admin' => \Mage_Admin_Helper_Data::class,
             'admin/data' => \Mage_Admin_Helper_Data::class,
+            'admin' => \Mage_Admin_Helper_Data::class,
             'admin/rules_fallback' => \Mage_Admin_Helper_Rules_Fallback::class,
             'admin/variable' => \Mage_Admin_Helper_Variable::class,
             'adminhtml/addresses' => \Mage_Adminhtml_Helper_Addresses::class,
@@ -24,10 +24,10 @@
             'adminhtml/media_js' => \Mage_Adminhtml_Helper_Media_Js::class,
             'adminhtml/rss' => \Mage_Adminhtml_Helper_Rss::class,
             'adminhtml/sales' => \Mage_Adminhtml_Helper_Sales::class,
-            'api2' => \Mage_Api2_Helper_Data::class,
             'api2/data' => \Mage_Api2_Helper_Data::class,
-            'api' => \Mage_Api_Helper_Data::class,
+            'api2' => \Mage_Api2_Helper_Data::class,
             'api/data' => \Mage_Api_Helper_Data::class,
+            'api' => \Mage_Api_Helper_Data::class,
             'authorizenet/admin' => \Mage_Authorizenet_Helper_Admin::class,
             'authorizenet/data' => \Mage_Authorizenet_Helper_Data::class,
             'authorizenet' => \Mage_Authorizenet_Helper_Data::class,
@@ -36,8 +36,8 @@
             'bundle' => \Mage_Bundle_Helper_Data::class,
             'captcha' => \Mage_Captcha_Helper_Data::class,
             'captcha/data' => \Mage_Captcha_Helper_Data::class,
-            'cataloginventory' => \Mage_CatalogInventory_Helper_Data::class,
             'cataloginventory/data' => \Mage_CatalogInventory_Helper_Data::class,
+            'cataloginventory' => \Mage_CatalogInventory_Helper_Data::class,
             'cataloginventory/minsaleqty' => \Mage_CatalogInventory_Helper_Minsaleqty::class,
             'catalogrule' => \Mage_CatalogRule_Helper_Data::class,
             'catalogrule/data' => \Mage_CatalogRule_Helper_Data::class,
@@ -64,8 +64,8 @@
             'centinel/data' => \Mage_Centinel_Helper_Data::class,
             'centinel' => \Mage_Centinel_Helper_Data::class,
             'checkout/cart' => \Mage_Checkout_Helper_Cart::class,
-            'checkout' => \Mage_Checkout_Helper_Data::class,
             'checkout/data' => \Mage_Checkout_Helper_Data::class,
+            'checkout' => \Mage_Checkout_Helper_Data::class,
             'checkout/url' => \Mage_Checkout_Helper_Url::class,
             'cms' => \Mage_Cms_Helper_Data::class,
             'cms/data' => \Mage_Cms_Helper_Data::class,
@@ -81,8 +81,8 @@
             'core/abstract' => \Mage_Core_Helper_Abstract::class,
             'core/array' => \Mage_Core_Helper_Array::class,
             'core/cookie' => \Mage_Core_Helper_Cookie::class,
-            'core/data' => \Mage_Core_Helper_Data::class,
             'core' => \Mage_Core_Helper_Data::class,
+            'core/data' => \Mage_Core_Helper_Data::class,
             'core/environmentConfigLoader' => \Mage_Core_Helper_EnvironmentConfigLoader::class,
             'core/file_storage' => \Mage_Core_Helper_File_Storage::class,
             'core/file_storage_database' => \Mage_Core_Helper_File_Storage_Database::class,
@@ -99,8 +99,8 @@
             'currencysymbol' => \Mage_CurrencySymbol_Helper_Data::class,
             'currencysymbol/data' => \Mage_CurrencySymbol_Helper_Data::class,
             'customer/address' => \Mage_Customer_Helper_Address::class,
-            'customer' => \Mage_Customer_Helper_Data::class,
             'customer/data' => \Mage_Customer_Helper_Data::class,
+            'customer' => \Mage_Customer_Helper_Data::class,
             'dataflow/data' => \Mage_Dataflow_Helper_Data::class,
             'dataflow' => \Mage_Dataflow_Helper_Data::class,
             'directory' => \Mage_Directory_Helper_Data::class,
@@ -111,57 +111,57 @@
             'downloadable/data' => \Mage_Downloadable_Helper_Data::class,
             'downloadable/download' => \Mage_Downloadable_Helper_Download::class,
             'downloadable/file' => \Mage_Downloadable_Helper_File::class,
-            'eav' => \Mage_Eav_Helper_Data::class,
             'eav/data' => \Mage_Eav_Helper_Data::class,
-            'giftmessage' => \Mage_GiftMessage_Helper_Data::class,
+            'eav' => \Mage_Eav_Helper_Data::class,
             'giftmessage/data' => \Mage_GiftMessage_Helper_Data::class,
+            'giftmessage' => \Mage_GiftMessage_Helper_Data::class,
             'giftmessage/message' => \Mage_GiftMessage_Helper_Message::class,
             'giftmessage/url' => \Mage_GiftMessage_Helper_Url::class,
             'googleanalytics/data' => \Mage_GoogleAnalytics_Helper_Data::class,
             'googleanalytics' => \Mage_GoogleAnalytics_Helper_Data::class,
             'importexport/data' => \Mage_ImportExport_Helper_Data::class,
             'importexport' => \Mage_ImportExport_Helper_Data::class,
-            'index' => \Mage_Index_Helper_Data::class,
             'index/data' => \Mage_Index_Helper_Data::class,
+            'index' => \Mage_Index_Helper_Data::class,
             'install' => \Mage_Install_Helper_Data::class,
             'install/data' => \Mage_Install_Helper_Data::class,
             'log/data' => \Mage_Log_Helper_Data::class,
             'log' => \Mage_Log_Helper_Data::class,
-            'media/data' => \Mage_Media_Helper_Data::class,
             'media' => \Mage_Media_Helper_Data::class,
+            'media/data' => \Mage_Media_Helper_Data::class,
             'newsletter' => \Mage_Newsletter_Helper_Data::class,
             'newsletter/data' => \Mage_Newsletter_Helper_Data::class,
-            'oauth' => \Mage_Oauth_Helper_Data::class,
             'oauth/data' => \Mage_Oauth_Helper_Data::class,
-            'page' => \Mage_Page_Helper_Data::class,
+            'oauth' => \Mage_Oauth_Helper_Data::class,
             'page/data' => \Mage_Page_Helper_Data::class,
+            'page' => \Mage_Page_Helper_Data::class,
             'page/html' => \Mage_Page_Helper_Html::class,
             'page/layout' => \Mage_Page_Helper_Layout::class,
-            'payment' => \Mage_Payment_Helper_Data::class,
             'payment/data' => \Mage_Payment_Helper_Data::class,
+            'payment' => \Mage_Payment_Helper_Data::class,
             'paypaluk/data' => \Mage_PaypalUk_Helper_Data::class,
             'paypaluk' => \Mage_PaypalUk_Helper_Data::class,
             'paypal/checkout' => \Mage_Paypal_Helper_Checkout::class,
-            'paypal/data' => \Mage_Paypal_Helper_Data::class,
             'paypal' => \Mage_Paypal_Helper_Data::class,
+            'paypal/data' => \Mage_Paypal_Helper_Data::class,
             'paypal/hss' => \Mage_Paypal_Helper_Hss::class,
             'persistent' => \Mage_Persistent_Helper_Data::class,
             'persistent/data' => \Mage_Persistent_Helper_Data::class,
             'persistent/session' => \Mage_Persistent_Helper_Session::class,
-            'productalert/data' => \Mage_ProductAlert_Helper_Data::class,
             'productalert' => \Mage_ProductAlert_Helper_Data::class,
-            'rating/data' => \Mage_Rating_Helper_Data::class,
+            'productalert/data' => \Mage_ProductAlert_Helper_Data::class,
             'rating' => \Mage_Rating_Helper_Data::class,
-            'reports' => \Mage_Reports_Helper_Data::class,
+            'rating/data' => \Mage_Rating_Helper_Data::class,
             'reports/data' => \Mage_Reports_Helper_Data::class,
+            'reports' => \Mage_Reports_Helper_Data::class,
             'review' => \Mage_Review_Helper_Data::class,
             'review/data' => \Mage_Review_Helper_Data::class,
             'rss/catalog' => \Mage_Rss_Helper_Catalog::class,
             'rss' => \Mage_Rss_Helper_Data::class,
             'rss/data' => \Mage_Rss_Helper_Data::class,
             'rss/order' => \Mage_Rss_Helper_Order::class,
-            'rule' => \Mage_Rule_Helper_Data::class,
             'rule/data' => \Mage_Rule_Helper_Data::class,
+            'rule' => \Mage_Rule_Helper_Data::class,
             'salesrule/coupon' => \Mage_SalesRule_Helper_Coupon::class,
             'salesrule' => \Mage_SalesRule_Helper_Data::class,
             'salesrule/data' => \Mage_SalesRule_Helper_Data::class,
@@ -175,12 +175,12 @@
             'shipping/data' => \Mage_Shipping_Helper_Data::class,
             'sitemap' => \Mage_Sitemap_Helper_Data::class,
             'sitemap/data' => \Mage_Sitemap_Helper_Data::class,
-            'tag' => \Mage_Tag_Helper_Data::class,
             'tag/data' => \Mage_Tag_Helper_Data::class,
+            'tag' => \Mage_Tag_Helper_Data::class,
             'tax/data' => \Mage_Tax_Helper_Data::class,
             'tax' => \Mage_Tax_Helper_Data::class,
-            'uploader/data' => \Mage_Uploader_Helper_Data::class,
             'uploader' => \Mage_Uploader_Helper_Data::class,
+            'uploader/data' => \Mage_Uploader_Helper_Data::class,
             'uploader/file' => \Mage_Uploader_Helper_File::class,
             'usa' => \Mage_Usa_Helper_Data::class,
             'usa/data' => \Mage_Usa_Helper_Data::class,