feat: keep manual comments working when commenting draft MRs

closes Codium-ai#1160

pr_agent/servers/gitlab_webhook.py

@@ -138,11 +138,7 @@ async def inner(data: dict):
             if 'merge_request' in data:
                 mr = data['merge_request']
                 url = mr.get('url')
-                draft = mr.get('draft')
-                if draft:
-                    get_logger().info(f"Skipping draft MR: {url}")
-                    return JSONResponse(status_code=status.HTTP_200_OK, content=jsonable_encoder({"message": "success"}))
-
+
                 get_logger().info(f"A comment has been added to a merge request: {url}")
                 body = data.get('object_attributes', {}).get('note')
                 if data.get('object_attributes', {}).get('type') == 'DiffNote' and '/ask' in body: # /ask_line