fix(mssql): avoid trying to return a resultset for DML queries with not resultset (#24999)

superset/db_engine_specs/mssql.py

@@ -141,6 +141,8 @@ class MssqlEngineSpec(BaseEngineSpec):
     def fetch_data(
         cls, cursor: Any, limit: Optional[int] = None
     ) -> list[tuple[Any, ...]]:
+        if not cursor.description:
+            return []
         data = super().fetch_data(cursor, limit)
         # Lists of `pyodbc.Row` need to be unpacked further
         return cls.pyodbc_rows_to_tuples(data)