RoomDataSource: Now compute encryption trust level from trusted devices percentage in room.
RoomDataSource: Now compute encryption trust level from trusted devices percentage in room.

vector-im/vector-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios