Fix pro state not updating after submit: use context.watch for AuthProvider

context.read doesn't subscribe to changes, so the form stayed visible
after submitForReview even though AuthProvider was updated.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

lib/ui/views/request_professional_view.dart

@@ -151,7 +151,7 @@ class _FormBodyState extends State<_FormBody> {
   Widget build(BuildContext context) {
     final isDark = context.watch<ThemeProvider>().isDark;
     final fp = context.watch<ProfessionalFormProvider>();
-    final user = context.read<AuthProvider>().user!;
+    final user = context.watch<AuthProvider>().user!;
     final professions = context.watch<ProfessionsProvider>().professions;
     final proStateInt = enumToInt(user.proState);