TF-1831 Handle system back button in setting view

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit 5f00c1adcb1bc45ec47b1cff1eb738228264dee1)

lib/main/routes/navigation_router.dart

@@ -3,6 +3,7 @@ import 'package:equatable/equatable.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email.dart';
 import 'package:jmap_dart_client/jmap/mail/email/email_address.dart';
 import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+import 'package:tmail_ui_user/features/manage_account/presentation/model/account_menu_item.dart';
 import 'package:tmail_ui_user/features/thread/domain/model/search_query.dart';
 
 enum DashboardType {
@@ -19,6 +20,7 @@ class NavigationRouter with EquatableMixin {
   final EmailAddress? emailAddress;
   final String? subject;
   final String? body;
+  final AccountMenuItem accountMenuItem;
 
   NavigationRouter({
     this.emailId,
@@ -29,6 +31,7 @@ class NavigationRouter with EquatableMixin {
     this.emailAddress,
     this.subject,
     this.body,
+    this.accountMenuItem = AccountMenuItem.none,
   });
 
   factory NavigationRouter.initial() => NavigationRouter();
@@ -43,5 +46,6 @@ class NavigationRouter with EquatableMixin {
     emailAddress,
     subject,
     body,
+    accountMenuItem,
   ];
 }