Called `onSetCommunity`, checked that calendar filters changed accordingly, and so did events displayed in the calendar. Checked that searching works properly - displaying only chats from the
chosen community. Checked that the number of
threads displayed under "Your chats" is correct (also when searching - that it is reduced to the number of matches from the chosen community).
Checked that `onResetCommunity` works - makes all filters available.
Checked that when a community is chosen it is not possible to add an event for a chat from a different community - ThreadPickedModal displayes only chats from this community.