networking: disable tethering toggle while connecting (#21785)

* disable until connected

* disabling takes longest

* try enabling on refresh

* clean up

selfdrive/ui/qt/offroad/networking.cc

@@ -124,7 +124,7 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
   main_layout->addWidget(back, 0, Qt::AlignLeft);
 
   // Enable tethering layout
-  ToggleControl *tetheringToggle = new ToggleControl("Enable Tethering", "", "", wifi->isTetheringEnabled());
+  tetheringToggle = new ToggleControl("Enable Tethering", "", "", wifi->isTetheringEnabled());
   main_layout->addWidget(tetheringToggle);
   QObject::connect(tetheringToggle, &ToggleControl::toggleFlipped, this, &AdvancedNetworking::toggleTethering);
   main_layout->addWidget(horizontal_line(), 0);
@@ -155,11 +155,13 @@ AdvancedNetworking::AdvancedNetworking(QWidget* parent, WifiManager* wifi): QWid
 
 void AdvancedNetworking::refresh() {
   ipLabel->setText(wifi->ipv4_address);
+  tetheringToggle->setEnabled(true);
   update();
 }
 
 void AdvancedNetworking::toggleTethering(bool enabled) {
   wifi->setTetheringEnabled(enabled);
+  tetheringToggle->setEnabled(false);
 }
 
 // WifiUI functions

selfdrive/ui/qt/offroad/networking.h

@@ -38,6 +38,7 @@ public:
 
 private:
   LabelControl* ipLabel;
+  ToggleControl* tetheringToggle;
   WifiManager* wifi = nullptr;
 
 signals: