controller: Fix log to logger. Param: get_list_value return None if empty.
Config, record: set default path when recording on configuration.
Qt: before recording, we can set the path or the name of recorder video. Implement update if other client already open recording.
Manager: Simplify and add print error when search filterchain.
Protobuf: Fix when returning status - if True (1), return 0.
Protobuf: Fix parameter filter when receive empty list - change it to None.
Logger: Remove word "Error" in message when it's already marked by logger.error()