Only users can currently delete registrations, so a slot can never be fully "cleared" in the list.
Mission creators (not sure about editors) should be allowed to completely delete slot registrations. Admins with the mission permission should also be allowed to do so.
Tasks
[x] Adapt check for mission slot registration deletion to allow action for mission creators and mission admins
Only users can currently delete registrations, so a slot can never be fully "cleared" in the list. Mission creators (not sure about editors) should be allowed to completely delete slot registrations. Admins with the mission permission should also be allowed to do so.
Tasks