Custom Facebook Feed Pro 4.6.5

* Fix: Fixed a PHP error when a Gutenberg block was used to display a feed that didn't exist.
* Fix: Fixed a PHP warning due to a non-number being used as the cache time.
* Fix: Additional slashes were added to the feed name every time settings were saved if using an apostrophe.
* Fix: Added additional plugin hardening.

* Important: With this update, the Custom CSS and Custom JS settings have been deprecated. Please see below for details.
* Tweak: If any Custom CSS was being used in this field then it will be automatically moved into the native WordPress Customizer "Additional CSS" field instead and continue to work as normal.
* Tweak: If any Custom JavaScript was being used, then this update will prevent that JavaScript from working. There are [directions here](https://smashballoon.com/doc/moving-custom-javascript-code-out-of-our-plugins/) on how you can migrate this JavaScript into a specialized plugin instead.

* Fix: Fixed a compatibility issue with the Complianz Cookie Consent plugin integration.
* Fix: Locations of feeds sorted by source would not work if the source ID was not a number.
* Fix: Fixed an issue where setting were not preserved even when using the preserve settings option and deleting the plugin.
* Fix: Added support for "eventoffset" setting in shortcode.
* Fix: Fixed locale setting causing a PHP warning if not set.
* Fix: Fixed PHP warnings when viewing dashboard notifications.
* Fix: Fixed some options and tables not being removed from the WordPress database on uninstall.
* Fix: Added a workaround for a rare issue with posts from other accounts displaying in feeds meant to show only posts from the account author.
* Fix: Fixed styling issues for the notice to renew your license that appears when a license expires.