Connect sign-up to Sendico Facts intake (#46)

frontend/packages/sxchnge_auth/lib/src/providers/verification.dart

@@ -49,7 +49,9 @@ class VerificationProvider extends ChangeNotifier {
                 VerificationError.expired => VerificationStatus.expired,
                 VerificationError.invalid => VerificationStatus.invalid,
                 VerificationError.internal => VerificationStatus.error,
+                VerificationError.needsAssistance => VerificationStatus.error,
               },
+        error: code,
       );
     }
     notifyListeners();