ui/network: update known connections after adding tethering connection. (#32166)

update known connections
old-commit-hash: 40b061cd51

selfdrive/ui/qt/network/wifi_manager.cc

@@ -428,7 +428,10 @@ void WifiManager::addTetheringConnection() {
   connection["ipv4"]["route-metric"] = 1100;
   connection["ipv6"]["method"] = "ignore";
 
-  call(NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, "AddConnection", QVariant::fromValue(connection));
+  auto path = call<QDBusObjectPath>(NM_DBUS_PATH_SETTINGS, NM_DBUS_INTERFACE_SETTINGS, "AddConnection", QVariant::fromValue(connection));
+  if (!path.path().isEmpty()) {
+    knownConnections[path] = tethering_ssid;
+  }
 }
 
 void WifiManager::tetheringActivated(QDBusPendingCallWatcher *call) {