TF-1842: Handle error for _deleteSendingEmailAction and _sendEmailAction

(cherry picked from commit 7b2ab3e85a778a6662ede7c81b3cdddcbd0e7204)

lib/features/offline_mode/manager/sending_email_cache_manager.dart

@@ -34,9 +34,9 @@ class SendingEmailCacheManager {
   Future<void> deleteSendingEmail(
     AccountId accountId,
     UserName userName,
-    String sendingEmailId
+    String sendingId
   ) {
-    final keyCache = TupleKey(sendingEmailId, accountId.asString, userName.value).encodeKey;
+    final keyCache = TupleKey(sendingId, accountId.asString, userName.value).encodeKey;
     log('SendingEmailCacheManager::deleteSendingEmail():keyCache: $keyCache');
     return _hiveCacheClient.deleteItem(keyCache);
   }