docs: def update_config_value(self, config_m, config_key):
          """Updates the corresponding list store of a changed config value
  
          :param ConfigModel config_m: The config model that has been changed
          :param str config_key: The config key who's value has been changed
          """
          config_value = config_m.get_current_config_value(config_key)
          if config_m is self.core_config_model:
              list_store = self.core_list_store
          elif config_m is self.gui_config_model:
              list_store = self.gui_list_store
          else:
              return
          self._update_list_store_entry(list_store, config_key, config_value)