Fix leaving chat room when emptying history and still in the chat room.
Delete chat room only if it is empty (no messages and no events), and if it has been left by the user.
Remove timeline from list only if the chat room is on Deleted state (doesn't exist on server and local).
Remove Call and notices logs from db
Delete empty chat rooms after requesting it
Option of showing/hidding empty chat rooms
Many fixes on notifications count, imdn states, synchronizations behaviors, mouse cursor, etc.
Fix crashes
Fix timeline times
- Manage missing call count. Reset call notifications when: App get focus and the logs are shown, and when we click on a log
- Refactoring of MouseArea to centralize cursor shapes
- Update SDK
