Coding Standards: Apply an alignment fix from running composer format.

Follow up to [51216].
See #53481.

git-svn-id: https://develop.svn.wordpress.org/trunk@51229 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/rest-api/endpoints/class-wp-rest-widget-types-controller.php

@@ -471,7 +471,7 @@ public function encode_form_data( $request ) {
 		}
 
 		$serialized_instance = serialize( $instance );
-		$widget_key = $wp_widget_factory->get_widget_key( $id );
+		$widget_key          = $wp_widget_factory->get_widget_key( $id );
 
 		$response = array(
 			'form'     => trim(