add the debug also for atf/lcp

Author: wordpressfan

inc/Engine/Media/AboveTheFold/Frontend/Controller.php

@@ -16,6 +16,13 @@ class Controller implements ControllerInterface {
 	use UrlTrait;
 	use CommentTrait;
 
+	/**
+	 * Used for debugging head elements.
+	 *
+	 * @var string
+	 */
+	private $feature = 'atf_lcp';
+
 	/**
 	 * Options instance
 	 *