TF-2785 Fix print feature empty when clicked too early

lib/features/mailbox_dashboard/presentation/controller/mailbox_dashboard_controller.dart

@@ -2485,6 +2485,8 @@ class MailboxDashBoardController extends ReloadableController {
     isRecoveringDeletedMessage.value = true;
   }
 
+  String get userEmail => userProfile.value?.email ?? '';
+
   @override
   void onClose() {
     _emailReceiveManager.closeEmailReceiveManagerStream();