fix(settings): keep the language and save settings one after the other

src/App.jsx

@@ -28,7 +28,7 @@ import {logout} from './utils/api.js';
 function App() {
     const {t} = useTranslation();
     const [isAuthenticated, setIsAuthenticated] = useState(false);
-    const {appearance, syncAppearance, resetAppearance} = usePreferences();
+    const {appearance, syncPreferences, resetAppearance} = usePreferences();
 
     // Hooks for routing
     const navigate = useNavigate();
@@ -42,8 +42,8 @@ function App() {
 
     // On login and on page load; the cached look shows until Auth answers.
     useEffect(() => {
-        if (isAuthenticated) syncAppearance();
-    }, [isAuthenticated, syncAppearance]);
+        if (isAuthenticated) syncPreferences();
+    }, [isAuthenticated, syncPreferences]);
 
     // Waits for Auth: a late logout answer would clear the cookies of a login that came after it.
     const handleLogout = async () => {