All Products for WooCommerce Subscriptions 6.0.4

* Tweak - Re-designed the Product Data > Subscriptions empty state.

* Fix - Ensured that when the 'wcsatt_discount_addons' filter is set to 'false', the bundled/composited add-ons are not discounted by the active subscription plan.

* New - Declared compatibility with the new High-Performance Order Storage