WooCommerce Google Analytics Pro 2.2.0

* Tweak - Enabling debug mode will now show events in GA4 DebugView
* Tweak - Pass visitor session ID & number to GA4 when tracking events via API to improve session attribution in reports
* Fix - Only check for duplicate tracking codes if UA tracking is enabled
* Fix - Prevent a JS error when product name contains quotes by ensuring double quotes are escaped in event parameters

* Fix - Do not set the `user_id` parameter to `0` when tracking events for non-logged-in users

* Fix - Ensure refund events are tracked using positive amounts