v1.20.1

• Fix: do not load GTM container when OFF and console.log OFF. Thanks morvy
• Fix: reverted a change where item_id in ecommerce data layer was converted to numeric type when the value was a numeric value. It will be kept as a string to preserve compatibility with other integrations.
• Fix: JavaScript error when element ID not set correctly in scroll tracking
• Changed: better normalize and hash user data with WooCommerce + orderData variable for enhanced conventions
• Changed: PHP code optimization by hans2103
• Added: New filter to be able to modify data in the orderData variable on a WooCommerce order received page. Filter can be accessed either using the GTM4WP_WPFILTER_EEC_ORDER_DATA constant or the gtm4wp_eec_order_data string.