docs: def extend_recently_opened_by_current_open_state_machines(self):
          """ Update list with all in the state machine manager opened state machines """
          from rafcon.gui.singleton import state_machine_manager_model as state_machine_manager_m
          for sm_m in state_machine_manager_m.state_machines.values():
              self.update_recently_opened_state_machines_with(sm_m.state_machine)