ffix: move theme and screen to widgetsBinding

lib/pages/sign_in_page/sign_in_page_widget.dart

@@ -25,7 +25,7 @@ class _SignInPageWidgetState extends State<SignInPageWidget> {
   void initState() {
     super.initState();
     _model = createModel(context, () => SignInPageModel());
-    DeepLinkService().initDeepLinks();
+    DeepLinkService().ensureInitialization();
   }
 
   @override

lib/pages/sign_up_page/sign_up_page_widget.dart

@@ -26,7 +26,7 @@ class _SignUpPageWidgetState extends State<SignUpPageWidget> {
   void initState() {
     super.initState();
     _model = createModel(context, () => SignUpPageModel());
-    DeepLinkService().initDeepLinks();
+    DeepLinkService().ensureInitialization();
   }
 
   @override

lib/pages/welcome_page/welcome_page_widget.dart

@@ -43,7 +43,7 @@ class _WelcomePageWidgetState extends State<WelcomePageWidget> {
         setState(() {});
       }
     });
-    DeepLinkService().initDeepLinks();
+    DeepLinkService().ensureInitialization();
   }
 
   @override

lib/shared/services/deeplink/deep_link_service.dart

@@ -12,11 +12,12 @@ class DeepLinkService {
 
   DeepLinkService._internal();
 
-
   late final AppLinks _appLinks;
   StreamSubscription<Uri>? _linkSubscription;
+  bool _isInitialized = false;
 
-  Future<void> initDeepLinks() async {
+  Future<void> ensureInitialization() async {
+    if (_isInitialized) return;
     try {
       _appLinks = AppLinks();
       print('initDeepLinks');
@@ -25,6 +26,7 @@ class DeepLinkService {
           await _handleDeepLink(uri);
         }
       });
+      _isInitialized = true;
     } catch (e) {
       print('Error initializing deep links: $e');
     }
@@ -45,10 +47,9 @@ class DeepLinkService {
   }
 
   Future<void> _showForgotPasswordScreen(String email, String token) async {
+    WidgetsBinding.instance.addPostFrameCallback((_) async {
       final theme = FlutterFlowTheme.of(StorageHelper().context!);
       final screen = ForgotPasswordScreen(email: email, token: token);
-
-    WidgetsBinding.instance.addPostFrameCallback((_) async {
       await showModalBottomSheet(
         context: StorageHelper().context!,
         builder: (context) => Padding(