* Implements the Dropdown field for the FireBox Form block.
* FireBox now requires minimum PHP 7.0.
* Fix: Ensure the Posts and Pages Conditions will only work when viewing a single post/page.
* Fix: Multiple Display Conditions of the same type wouldn't appear in the list.
* Implements the Hidden field for the FireBox Form block.
* Improvement: You can now drag and drop blocks into FireBox Container, and Row blocks.
* PHP 8.1 improvements.