* Tweak-Add built-in server IP address check and display on settings page for easy access for merchants

* PLUGINS-1121-Customer IP address did not match given billing country not working correctly.
* PLUGINS-1203-Support better minFraud Score Outputs.
* PLUGINS-1181-Correct settings not working.
* PLUGINS-1188-Minor code changes relating to paypal and Cron.

* Fix-Incorrect reuse of ‘woocommerce_email_subject_*’ hook.

* WordPress 5.8 compatible.
* WooCommerce 5.8 compatible.
* Improved filter and search results consistency with Catalog Visibility options for products.
* Fixed limited processing when PHP memory_limit is set to -1 to have no memory limit.
* Fixed a PHP Notice when inconsistent data is encountered while indexing a product variation.
* Legacy widgets are not offered in the block editor as of this release by default.
* Added the WPS_LEGACY_WIDGETS constant which can be set to true to enable legacy widgets offered in the block editor.
* Fixed missing fill color in some block icons.
* Improved indexing schedule queries and reduced scheduling overhead.
* Fixed not applying weights on product filter search.
* Fixed query time logged twice on product filter search.
* Fixed blinker timeout set to 0 should disable it, for product search field and product filter search field.