set_privilege doesn't invalidate_cache

[satelines]

After setting privilege, page need to be refreshed, or load the object from DB in order to see the toolbar's buttons.

[flack]

Note: Memcache actually gets invalidated properly, the problem is the static in-request cache here:

openpsa/lib/midcom/services/auth/acl.php

Lines 498 to 503 in 869c2a8

	static $cache = [];
	$cache_prefix = "{$user_id}::{$object_guid}";
	$cache_key = $cache_prefix . "::{$privilege}";
	if (isset($cache[$cache_key])) {