Sidebar retains its previous display when going onroad

Added function to retain the previous sidebar display when going onroad.

common/params.cc

@@ -314,6 +314,7 @@ std::unordered_map<std::string, uint32_t> keys = {
     {"ShowMemoryUsage", PERSISTENT},
     {"ShowStorageLeft", PERSISTENT},
     {"ShowStorageUsed", PERSISTENT},
+    {"Sidebar", PERSISTENT},
     {"SilentMode", PERSISTENT},
     {"StandardFollow", PERSISTENT},
     {"StandardJerk", PERSISTENT},

selfdrive/ui/qt/window.cc

@@ -74,10 +74,11 @@ void MainWindow::closeSettings() {
   main_layout->setCurrentWidget(homeWindow);
 
   if (uiState()->scene.started) {
-    homeWindow->showSidebar(false);
     // Map is always shown when using navigate on openpilot
     if (uiState()->scene.navigate_on_openpilot) {
       homeWindow->showMapPanel(true);
+    } else {
+      homeWindow->showSidebar(params.getBool("Sidebar"));
     }
   }
 }