CPT with 'show_in_menu' => 'users.php' does not get highlighted when adding new

[dontdream]

When registering a post type as a submenu of a top level menu, the submenu item does not get highlighted correctly when adding a new item to the post type.

Code to reproduce:

add_action ('init', 'cptest');
function cptest ()
{
	$args = array
	(
		'labels' => array
		(
			'name' => 'FooBars',
			'singular_name' => 'FooBar',
		),
		'public' => false,
		'show_ui' => true,
		'show_in_menu' => 'users.php',
	);

	register_post_type ('foobar', $args);
}

1. Click Users -> FooBars
2. In the newly opened admin page, click Add New (add new FooBar)
3. The All Users submenu item gets highlighted, instead of FooBars

This is very similar to ticket #24137, and is fixed by patch 24137.2.patch by markjaquith, attached to that ticket and replicated as attachment to this ticket.

[dontdream]

fixes ticket 28287

[SergeyBiryukov]

Duplicate of #24137.