docs: def apply_new_scoped_variable_default_value(self, path, new_default_value_str):
          """Applies the new default value of the scoped variable defined by path
  
          :param str path: The path identifying the edited variable
          :param str new_default_value_str: New default value as string
          """
          data_port_id = self.get_list_store_row_from_cursor_selection()[self.ID_STORAGE_ID]
          try:
              if str(self.model.state.scoped_variables[data_port_id].default_value) != new_default_value_str:
                  self.model.state.scoped_variables[data_port_id].default_value = new_default_value_str
          except (TypeError, AttributeError) as e:
              logger.error("Error while changing default value: {0}".format(e))