docs: def select_open_state_machine_of_selected_library_element(self):
          """Select respective state machine of selected library in state machine manager if already open """
          (model, row_path) = self.view.get_selection().get_selected()
          if row_path:
              physical_library_path = model[row_path][self.ITEM_STORAGE_ID]
              smm = gui_singletons.state_machine_manager_model.state_machine_manager
              sm = smm.get_open_state_machine_of_file_system_path(physical_library_path)
              if sm:
                  gui_singletons.state_machine_manager_model.selected_state_machine_id = sm.state_machine_id