UI: update toggles on show (#21812)

selfdrive/ui/qt/widgets/controls.h

@@ -112,14 +112,19 @@ class ParamControl : public ToggleControl {
 
 public:
   ParamControl(const QString &param, const QString &title, const QString &desc, const QString &icon, QWidget *parent = nullptr) : ToggleControl(title, desc, icon, false, parent) {
-    if (params.getBool(param.toStdString().c_str())) {
+    key = param.toStdString();
-      toggle.togglePosition();
-    }
     QObject::connect(this, &ToggleControl::toggleFlipped, [=](bool state) {
-      params.putBool(param.toStdString().c_str(), state);
+      params.putBool(key, state);
     });
   }
 
+  void showEvent(QShowEvent *event) override {
+    if (params.getBool(key) != toggle.on) {
+      toggle.togglePosition();
+    }
+  };
+
 private:
+  std::string key;
   Params params;
 };

selfdrive/ui/qt/widgets/toggle.cc

@@ -73,10 +73,10 @@ bool Toggle::getEnabled() {
 
 void Toggle::setEnabled(bool value) {
   enabled = value;
-  if(value) {
+  if (value) {
     circleColor.setRgb(0xfafafa);
     green.setRgb(0x33ab4c);
-  }else{
+  } else {
     circleColor.setRgb(0x888888);
     green.setRgb(0x227722);
   }