Cherry pick commit fix issue #4292 to master (#4454)

* Add folder info when open mail list from Label

(cherry picked from commit de0bb4ee02030ca90126766a8713a6826d791acd)

* Add unit test for `hasMailboxLabel` function in BaseEmailItemTile mixin

(cherry picked from commit 18f8d1847acccd6f95006b93903f0caa6c0408df)

* TF-4292 Add E2E test for test case `Add folder info when open mail list from Label` on mobile

(cherry picked from commit 1c209e333510db161522e4449ad7fb2e5d28399f)

lib/features/mailbox/presentation/extensions/presentation_mailbox_extension.dart

@@ -17,7 +17,7 @@ import 'package:tmail_ui_user/main/routes/route_utils.dart';
 extension PresentationMailboxExtension on PresentationMailbox {
 
   String getDisplayName(BuildContext context) {
-    if (this is PresentationLabelMailbox) {
+    if (isLabelMailbox) {
       return (this as PresentationLabelMailbox).label.safeDisplayName;
     }
 
@@ -52,7 +52,7 @@ extension PresentationMailboxExtension on PresentationMailbox {
   }
 
   String getDisplayNameWithoutContext(AppLocalizations appLocalizations) {
-    if (this is PresentationLabelMailbox) {
+    if (isLabelMailbox) {
       return (this as PresentationLabelMailbox).label.safeDisplayName;
     }