public function tagManagementTreeAction()
{
$this->checkPermission("tag_snippet_management");
$tags = [];
$list = new Tag\Config\Listing();
$items = $list->load();
foreach ($items as $item) {
$tags[] = ["id" => $item->getName(), "text" => $item->getName()];
}
$this->_helper->json($tags);
}