thermostat: refresh target temperature dialog

soft/thermostat/src/mainwindow.cpp

@@ -212,6 +212,8 @@ void MainWindow::apply_automatic_state(void)
 	for (i = 0; i < s->m_rooms.count(); i++) {
 		const struct Room *r = &(s->m_rooms.at(i));
 		m_zones.at(i)->m_heating_on = get_heater_order(i);
+		m_zones.at(i)->m_target_temperature = get_target_temperature(i);
+		m_zones.at(i)->refresh();
 		qDebug() << "room " << r->name;
 		for (int j = 0; j < r->heaters.count(); j++) {
 			const struct Heater *h = &(r->heaters.at(j));