TF-3416 Handle mailto link in EML previewer on mobile

lib/features/email/presentation/controller/single_email_controller.dart

@@ -2047,8 +2047,10 @@ class SingleEmailController extends BaseController with AppLoaderMixin {
         builder: (_) {
           return DraggableScrollableSheet(
             initialChildSize: 1.0,
-            builder: (__, ___) =>
-                EmailPreviewerDialogView(emlPreviewer: success.emlPreviewer)
+            builder: (__, ___) => EmailPreviewerDialogView(
+              emlPreviewer: success.emlPreviewer,
+              onMailtoDelegateAction: openMailToLink,
+            )
           );
         },
       );

lib/features/email_previewer/email_previewer_dialog_view.dart

@@ -8,8 +8,13 @@ import 'package:tmail_ui_user/main/utils/app_utils.dart';
 class EmailPreviewerDialogView extends StatelessWidget {
 
   final EMLPreviewer emlPreviewer;
+  final OnMailtoDelegateAction onMailtoDelegateAction;
 
-  const EmailPreviewerDialogView({super.key, required this.emlPreviewer});
+  const EmailPreviewerDialogView({
+    super.key,
+    required this.emlPreviewer,
+    required this.onMailtoDelegateAction,
+  });
 
   @override
   Widget build(BuildContext context) {
@@ -20,6 +25,7 @@ class EmailPreviewerDialogView extends StatelessWidget {
           contentHtml: emlPreviewer.content,
           initialWidth: context.width,
           direction: AppUtils.getCurrentDirection(context),
+          onMailtoDelegateAction: onMailtoDelegateAction,
         ),
       ),
     );