Feat: add meta filter to search app. (#9554)

### What problem does this PR solve?


### Type of change

- [x] New Feature (non-breaking change which adds functionality)

api/db/services/search_service.py

@@ -71,6 +71,8 @@ class SearchService(CommonService):
             .first()
             .to_dict()
         )
+        if not search:
+            return {}
         return search
 
     @classmethod