WooCommerce Product Add-Ons 7.2.0

* Fix - Fixed an issue that hid the product form when a custom tax suffix was used.

* Feature - Added compatibility with the core WooCommerce Importer/Exporter for importing/exporting product-level addons.

* Tweak - Introduced compatibility with the new High-Performance Order Storage.
* Fix - Removed unnecessary meta boxes sanitization.
* Fix - Resolved an issue that made addons with identical titles show up multiple times in the cart when re-ordering.