WPCommander - WordPress Media Folder Manager 2.6.0

* Fix: compatible with SQLite Database Integration
* Mod: removed uninstallation action

* Fix: folder tree issue, not loading in modal

* Fix: wp user list is not shown
* Fix: code compatibility with WordPress Coding Standards
* Fix: recalculate attachment counters
* Fix: compatibility problem with WPML plugin

* Fix: conflict with WordPress gallery
* Fix: activation hook
* Fix: UI improvements

* New: the classic editor support (https://wordpress.org/plugins/classic-editor/)

* Fix: cross site scripting (XSS), the attacker can run js code from plugin input fields (folder name)
* Fix: the folder name can be blank

Fix: error message after a post has been permanently deleted