Set initial set in get_item() too.

hellofromtonya · hellofromtonya · commit ebef519b867f · 2021-06-24T10:24:40.000-05:00
diff --git a/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php b/src/wp-includes/rest-api/endpoints/class-wp-rest-sidebars-controller.php
@@ -137,6 +137,8 @@ public function get_item_permissions_check( $request ) {
 	 * @return WP_REST_Response|WP_Error Response object on success, or WP_Error object on failure.
 	 */
 	public function get_item( $request ) {
+		retrieve_widgets();
+
 		$sidebar = $this->get_sidebar( $request['id'] );
 
 		if ( ! $sidebar ) {
