fix ui bug in settings

lib/screens/settings.dart

@@ -77,7 +77,7 @@ class _SettingsState extends State<Settings> {
                 if (snapshot.connectionState == ConnectionState.done) {
                   return Text(snapshot.data ?? "");
                 } else {
-                  return const CircularProgressIndicator();
+                  return const Text("");
                 }
               }
             ),