This needs changes in places that provide and consume FileItemActionPlugins:
Check for "KonqPopupMenu/Plugin" or "KFileItemAction/Plugin"
Offending providers:
[] Akregator plugin in Konqueror
[] KDE Connect
[] kactivitymanagerd in kio-extras
[] Choqok
[] Konsole
Offending consumer:
[] Dolphin
[] Folderview