Barn2 Media - WooCommerce Wholesale Pro 2.3.0

* Fix: Wholesale price is not correct when discount is 100%

* Dev: Add a cart flag for other plugins to determine if the cart item has a wholesale price.
* Dev: Updated Barn2 internal libraries.
* Dev: Tested up to WooCommerce 7.2.3 and WordPress 6.1.1

* Tweak: Improved compatibility with wholesale priced variations and WooCommerce Product Table.
* Dev: Tested up to WordPress 5.9.3.