* Fix - Fix an issue that was showing "January 1970" as a filter option in the orders filters when an order had empty values for required date custom fields
* Fix - Fix a bug when single quotes are filled in text fields
* Fix - Save the default values for select, multiselect, radio, and checkbox fields properly once orders are placed
* Fix - Ensure that, when filtering orders by text fields, the chosen value is persisted in the enhanced dropdown placeholder as the page reloads
* Dev - Pass the order object to custom order fields template files
* Misc - Add compatibility for WooCommerce 4.7
* Misc - Require PHP 7.0 or newer
