filter message ids in dump

bots/modules/channel_helper.py

@@ -265,10 +265,15 @@ class QueuedItem(models.Model):
     datetime = models.DateTimeField(auto_now_add=True)
 
     def __json__(self):
+        message_ids = []
+        if self.message_id:
+            message_ids.append(self.message_id)
+        if self.message_ids_extra:
+            message_ids.extend(int(i) for i in self.message_ids_extra.split('|') if i.isdigit())
         return {
             'type': self.type,
             'file_id': json.loads(self.args)[0],
-            'message_ids': [self.message_id] + list(self.message_ids_extra.split('|') if self.message_ids_extra else []),
+            'message_ids': message_ids,
             'processed': self.processed,
             'datetime': self.datetime.isoformat(),
         }