Fix expanding of selected item

Summary: Changelog: Layout plugin: fixed automatic expanding of layout tree when a deep element selected in the target mode.

Reviewed By: passy

Differential Revision: D26577751

fbshipit-source-id: 9f4a074d114892d6903a58e1ed44cf580cf1d432

desktop/plugins/layout/Inspector.tsx

@@ -335,6 +335,9 @@ export default class Inspector extends Component<Props, State> {
 
   async getAndExpandPath(path: Array<ElementID>) {
     await Promise.all(path.map((id) => this.getChildren(id, {})));
+    for (const id of path) {
+      this.updateElement(id, {expanded: true});
+    }
     this.onElementSelected()(path[path.length - 1]);
   }