def _create_session_mode(self):
     session_modes = ModesComponent(is_enabled=False)
     session_modes.add_mode('session', self._session_mode)
     session_modes.add_mode('overview', self._session_overview_mode)
     session_modes.layer = Layer(cycle_mode_button='layout_button')
     session_modes.selected_mode = 'session'
     return [session_modes, self._session_navigation]