[fix] DuckDB: make query result title more reusable (#2956)

- Change default query result table from `Query Result (1)` to `query_result_1`

---------

Signed-off-by: Ihor Dykhta <dikhta.igor@gmail.com>

src/duckdb/src/components/sql-panel.tsx

@@ -186,7 +186,7 @@ export const SqlPanel: React.FC<SqlPanelProps> = ({initialSql = ''}) => {
       },
       info: {
         id: generateHashId(),
-        label: `Query Result${counter > 0 ? ` (${counter})` : ''}`,
+        label: `query_result${counter > 0 ? `_${counter}` : ''}`,
         format: 'arrow'
       }
     };