A jid can contain characters that are not allowed in an action name.
This creates a unique UUID4 for each MessageControl and uses it as
action name instead.
We can reuse the UUID for other actions that belong to the
MessageControl
Fixes#8636
Set source IDs to None after removing the source
except when shutting down, because the Control ist destroyed anyway
Only try to remove if we have a source ID
- Dont add timers when we autojoin minimized
- Remove timers when the chatcontrol gets minimized
- Send inactive chatstate when the chatcontrol gets minimized
- Add timers when the chatcontrol gets maximized