Core/Mails: Fixed mail_items entries being left in database after deleting expired mails

src/server/game/Globals/ObjectMgr.cpp

@@ -5806,6 +5806,10 @@ void ObjectMgr::ReturnOrDeleteOldMails(bool serverUp)
                     stmt->setUInt32(0, itr2->item_guid);
                     CharacterDatabase.Execute(stmt);
                 }
+
+                stmt = CharacterDatabase.GetPreparedStatement(CHAR_DEL_MAIL_ITEM_BY_ID);
+                stmt->setUInt32(0, m->messageID);
+                CharacterDatabase.Execute(stmt);
             }
             else
             {