Loads system menu link as needed by system_get_module_admin_tasks().
array An array of menu link entities indexed by their IDs.
public function loadModuleAdminTasks() {
$query = $this
->buildQuery(NULL);
$query
->condition('base.link_path', 'admin/%', 'LIKE')
->condition('base.hidden', 0, '>=')
->condition('base.module', 'system')
->condition('m.number_parts', 1, '>')
->condition('m.page_callback', 'system_admin_menu_block_page', '<>');
$ids = $query
->execute()
->fetchCol(1);
return $this
->load($ids);
}