ui: fix prime widget w/ no internet (#21767)

old-commit-hash: 54f1afe403

selfdrive/ui/qt/widgets/prime.cc

@@ -268,9 +268,11 @@ SetupWidget::SetupWidget(QWidget* parent) : QFrame(parent) {
 
 void SetupWidget::parseError(const QString &response) {
   show();
+  if (mainLayout->currentIndex() == 1) {
     showQr = false;
     mainLayout->setCurrentIndex(0);
   }
+}
 
 void SetupWidget::showQrCode() {
   showQr = true;