improve user meta deletion

db/query/query_user_meta.py

@@ -80,8 +80,10 @@ class UserMetaQuery(BaseQuery):
 
     def delete_user_meta(self, db, metadata_id):
         """Delete user meta entries by metadata_id."""
-        self.delete(db, model=User_Meta, id=metadata_id)
-        return {"message": f"Book user with id {id} deleted successfully."}
+        filter_conditions = [User_Meta.metadata_id==metadata_id,
+                             User_Meta.user_id==self.user_id]
+        self.delete(db, model=User_Meta, filter_conditions=filter_conditions)
+        return {"message": f"Book user with id {metadata_id} deleted successfully."}
 
     def delete_all_user_meta(self, db):
         """Delete all user meta entries for a user."""