Disabled groups:
- Deactivation is possible for groups.
 - A deactivated group is hidden from all members and can no longer be used.
 - Only the admin of a group can deactivate it.
 - A deactivated group remains deactivated until the group admin activates it again.
 - Chat and cloud content will remain available once the group is reactivated.
 
Archived chats:
- Archiving is possible for chats.
 - An archived chat is only hidden from the member who archived it.
 - Each group member can archive a chat for themselves.
 - An archived chat appears again in the chat overview as soon as a message has been sent to the chat.
 - Chat and cloud content remains available.