TF-3826 Try guessing webfinger when dns look up fail

lib/features/login/domain/state/dns_lookup_to_get_jmap_url_state.dart

@@ -13,6 +13,10 @@ class DNSLookupToGetJmapUrlSuccess extends UIState {
 }
 
 class DNSLookupToGetJmapUrlFailure extends FeatureFailure {
+  DNSLookupToGetJmapUrlFailure(
+    dynamic exception, {
+    required this.email,
+  }) : super(exception: exception);
 
-  DNSLookupToGetJmapUrlFailure(dynamic exception) : super(exception: exception);
+  final String email;
 }

lib/features/login/domain/state/try_guessing_web_finger_state.dart

@@ -0,0 +1,18 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+import 'package:model/oidc/response/oidc_response.dart';
+
+class TryingGuessingWebFinger extends LoadingState {}
+
+class TryGuessingWebFingerSuccess extends UIState {
+  TryGuessingWebFingerSuccess(this.oidcResponse);
+
+  final OIDCResponse oidcResponse;
+
+  @override
+  List<Object?> get props => [oidcResponse];
+}
+
+class TryGuessingWebFingerFailure extends FeatureFailure {
+  TryGuessingWebFingerFailure({super.exception});
+}