TF-2271 Add dnsLookupToGetJmapUrl method in login repository/datasource

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit eb311420d9f7869af07605064a4e8d442486896a)

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

@@ -0,0 +1,18 @@
+import 'package:core/presentation/state/failure.dart';
+import 'package:core/presentation/state/success.dart';
+
+class DNSLookupToGetJmapUrlLoading extends LoadingState {}
+
+class DNSLookupToGetJmapUrlSuccess extends UIState {
+  final String jmapUrl;
+
+  DNSLookupToGetJmapUrlSuccess(this.jmapUrl);
+
+  @override
+  List<Object> get props => [jmapUrl];
+}
+
+class DNSLookupToGetJmapUrlFailure extends FeatureFailure {
+
+  DNSLookupToGetJmapUrlFailure(dynamic exception) : super(exception: exception);
+}