Themes: Improve the alignment of feature filters and inputs on Add Themes screen.

Follow-up to [35527], [38640], [40797].

Props Benjamin_Zekavica, sabernhardt, sumitsingh, gauravtiwari, krupajnanda, audrasjb, SergeyBiryukov.
Fixes #53314.

git-svn-id: https://develop.svn.wordpress.org/trunk@59022 602fd350-edb4-49c9-b593-d223f7449a82

Author: SergeyBiryukov

Diff for: src/wp-admin/css/common.css

@@ -1180,6 +1180,17 @@ th.action-links {
 	overflow: hidden;
 }
 
+.wp-filter .favorites-form .favorites-username {
+	display: flex;
+	align-items: center;
+	flex-wrap: wrap;
+	gap: 0.5rem;
+}
+
+.wp-filter .favorites-form .favorites-username input {
+	margin: 0;
+}
+
 .show-filters .filter-drawer,
 .show-favorites-form .favorites-form {
 	display: block;
@@ -1288,11 +1299,13 @@ th.action-links {
 }
 
 .filtered-by .tags {
-	display: inline;
+	display: flex;
+	align-items: flex-start;
+	flex-wrap: wrap;
+	gap: 8px;
 }
 
 .filtered-by .tag {
-	margin: 0 5px;
 	padding: 4px 8px;
 	border: 1px solid #dcdcde;
 	box-shadow: 0 1px 1px rgba(0, 0, 0, 0.04);
@@ -1307,7 +1320,10 @@ th.action-links {
 }
 
 .filters-applied .filtered-by {
-	display: block;
+	display: flex;
+	align-items: center;
+	flex-wrap: wrap;
+	gap: 10px;
 }
 
 .filters-applied .filter-drawer {

Diff for: src/wp-admin/theme-install.php

@@ -230,7 +230,7 @@
 			?>
 			<p class="install-help"><?php _e( 'If you have marked themes as favorites on WordPress.org, you can browse them here.' ); ?></p>
 
-			<p>
+			<p class="favorites-username">
 				<label for="wporg-username-input"><?php _e( 'Your WordPress.org username:' ); ?></label>
 				<input type="hidden" id="wporg-username-nonce" name="_wpnonce" value="<?php echo esc_attr( wp_create_nonce( $action ) ); ?>" />
 				<input type="search" id="wporg-username-input" value="<?php echo esc_attr( $user ); ?>" />