docs: def _handle_config_update(self, config_m, config_key):
          """Handles changes in config values
  
          The method ensure that the correct list stores are updated with the new values.
  
  
          :param ConfigModel config_m: The config model that has been changed
          :param config_key: The config key who's value has been changed
          :return:
          """
          if config_key == "LIBRARY_PATHS":
              self.update_libraries_list_store()
          if config_key == "SHORTCUTS":
              self.update_shortcut_settings()
          else:
              self.update_config_value(config_m, config_key)