$bookmark->setTagsString($request->getParam('lf_tags'));
if ($this->container->conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE
$bookmark->setTagsString($request->getParam('lf_tags'));
if ($this->container->conf->get('thumbnails.mode', Thumbnailer::MODE_NONE) !== Thumbnailer::MODE_NONE