UI: call map::offroadTransition after creating map (#23283)

selfdrive/ui/qt/onroad.cc

@@ -79,6 +79,7 @@ void OnroadWindow::offroadTransition(bool offroad) {
     if (map == nullptr && (uiState()->has_prime || !MAPBOX_TOKEN.isEmpty())) {
       MapWindow * m = new MapWindow(get_mapbox_settings());
       m->setFixedWidth(topWidget(this)->width() / 2);
+      m->offroadTransition(offroad);
       QObject::connect(uiState(), &UIState::offroadTransition, m, &MapWindow::offroadTransition);
       split->addWidget(m, 0, Qt::AlignRight);
       map = m;