* Fix: Avoid deprecated PHP notice if PHP version >= 8.1; A "null" parameter was passed to the native WordPress function add_submenu_page(), instead of an empty string ''
* Fix: The jQuery Chosen drop-down wasn't applied for "On these taxonomy pages:"
* Fix: "Warning Undefined array key" in case a hardcoded handle is not in the list of handles information
* Fix: When using Query Monitor, the "Update" button from the CSS/JS manager was showing up on top of the bottom Query Monitor data