YITH WooCommerce Badge Management Premium 3.12.0

* New: admin panel UI
* Update: YITH plugin framework
* Update: language files
* Fix: query to retrieve best-seller products
* Fix: calendar fields visibility in variation badges options
* Tweak: removed active rule option from the rule editing panel

* New: support for WooCommerce 8.1
* Update: YITH plugin framework
* Fix: prevent fatal error on function "yith_wcbm_get_badge_object"
* Fix: issue on rule for backorder products
* Fix: integration with YITH Dynamic v4.0
* Dev: added check to did_filter function

New: support for WooCommerce 7.4
New: compatibility with Fana theme
Update: YITH plugin framework
Update: language files
Tweak: take product_id if exists