public function __construct()
{
parent::__construct();
$this->addCrumb($this->translate('settings'), $this->generateUrl('admin_settings'));
// Ticket history sorting select options
$this->set('historySortingSelectOptions', [['label' => $this->translate("oldest_first"), 'value' => "oldest_first"], ['label' => $this->translate("newest_first"), 'value' => "newest_first"]]);
Themes::index();
$this->set('themes', Themes::selectOptions());
}