Provide more helpful feedback than just "Cheatin' uh?" for permission errors in wp-admin/js/customize-controls.js.

fixes #33685. see #14530.

git-svn-id: https://develop.svn.wordpress.org/trunk@33902 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/script-loader.php

@@ -428,6 +428,7 @@ function wp_default_scripts( &$scripts ) {
 		'cancel'             => __( 'Cancel' ),
 		'close'              => __( 'Close' ),
 		'cheatin'            => __( 'Cheatin’ uh?' ),
+		'notAllowed'         => __( 'You are not allowed to customize the appearance of this site.' ),
 		'previewIframeTitle' => __( 'Site Preview' ),
 		'loginIframeTitle'   => __( 'Session expired' ),
 		'collapseSidebar'    => __( 'Collapse Sidebar' ),