TF-1915 SendingState of SendingEmail updates according to the work done in WorkManager when network connectivity is restored

(cherry picked from commit 744c8bc8dc8a82cb3afb75aead5a744adaae5501)

lib/main/localizations/app_localizations.dart

@@ -2968,10 +2968,10 @@ class AppLocalizations {
     );
   }
 
-  String get deleteSomeOfflineEmailSuccessfully {
+  String get messageHaveBeenDeletedSuccessfully {
     return Intl.message(
-      'Delete some offline email successfully.',
-      name: 'deleteSomeOfflineEmailSuccessfully',
+      'Messages have been deleted successfully',
+      name: 'messageHaveBeenDeletedSuccessfully',
     );
   }