WooCommerce Mix and Match Products 2.7.7

* Fix: Incorrect quantity input value when editing a mix and match container in cart. #536.
* Fix: Remove permalinks from child items in the cart block.
* Tweak: As a last resort, attempt to get posted quantity from string inputs, ie: "mnm_quantity[99]" which commonly happens when themes attempt ajax add to cart.
* Tweak: Rename wp.hooks action `wc-mnm-initialize.${product_type}` to `wc.mnm.initialize.${product_type}`
* Tweak: Tell `wc-add-to-cart` script params to redirect to cart when editing a container in the cart.

* Fix: When creating duplicate product, limit duplicating child items to custom DB table if using products as contents source.
* Fix: Missing container contents list in checkout block on initial page load.
* Fix: Fix pay-for-order conflict with WooPayments.

* New: Introduce `wc_mnm_container_get_cart_edit_link` filter and add APFS subscription parameters to edit in cart link.
* Fix: Handle missed dynamic properties missed in 2.7.0 objects.
* Tweak: Update edit-container.php template.
* Tweak: Parameter for `wc.mnm.initialize.${type}` wp.hook is now an object.