RecentsViewController: release propertly the current room resources when user selects another room.
RecentsViewController: release propertly the current room resources when user selects another room.

vector-im/riot-ios,matrix-org/matrix-ios-console,vector-im/vector-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,vector-im/riot-ios,vector-im/vector-ios,vector-im/riot-ios,matrix-org/matrix-ios-console,vector-im/riot-ios