Menus: Add missing escaping function in Admin Menu walker.

Props aniketpatel, mukesh27, costdev.
Fixes #57541.


git-svn-id: https://develop.svn.wordpress.org/trunk@55135 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-admin/includes/class-walker-nav-menu-edit.php

@@ -180,7 +180,7 @@ class Walker_Nav_Menu_Edit extends Walker_Nav_Menu {
 						printf(
 							'<a class="item-edit" id="edit-%s" href="%s" aria-label="%s"><span class="screen-reader-text">%s</span></a>',
 							$item_id,
-							$edit_url,
+							esc_url( $edit_url ),
 							esc_attr__( 'Edit menu item' ),
 							__( 'Edit' )
 						);