docs(@clayui/table): Add preview for sorting example.

Author: SelenaAungst

packages/clay-core/docs/table.mdx

@@ -237,7 +237,7 @@ It is also possible to implement your own logic on the client side when your dat
 	</code> API defined.
 </div>
 
-```jsx
+```jsx preview
 export function App() {
 	const [sort, setSort] = (useState < Sorting) | (null > null);
 	const [items, setItems] = useState([