Ticket #32440: 32440.diff

src/wp-admin/includes/nav-menu.php

@@ -480 +480 @@
         if ( get_user_option( 'metaboxhidden_nav-menus' ) !== false || ! is_array($wp_meta_boxes) )
                 return;
 
-        $initial_meta_boxes = array( 'nav-menu-theme-locations', 'add-page', 'add-custom-links', 'add-category' );
+        $initial_meta_boxes = array( 'add-post', 'add-page', 'add-custom-links', 'add-category' );
         $hidden_meta_boxes = array();
 
         foreach ( array_keys($wp_meta_boxes['nav-menus']) as $context ) {