types: improve generated component typing (#8308)

src/grid-item/index.ts

@@ -1,7 +1,7 @@
-import { installable } from '../utils';
+import { withInstall } from '../utils';
 import _GridItem from './GridItem';
 
-const GridItem = installable(_GridItem);
+const GridItem = withInstall<typeof _GridItem>(_GridItem);
 
 export default GridItem;
 export { GridItem };