[FIX] stock_location_orderpoint_cleanup: Post message as comment

stock_location_orderpoint_cleanup/models/stock_picking.py

@@ -22,4 +22,4 @@ def _log_location_orderpoint_cleanup_message(self, orderpoint, moves):
             orderpoint_name=orderpoint_name,
             moves_name=moves_name,
         )
-        self.message_post(body=message)
+        self.message_post(body=message, message_type="comment")