Crm::renderControlSingle

static function renderControlSingle(FieldType $fieldType, array $field, $value, $allowSelection, $renderMode)
{
	static $rendered;

	if (!$rendered)
	{
		\Bitrix\Main\UI\Extension::load('ui.fonts.opensans');
		Asset::getInstance()->addCss('/bitrix/js/crm/css/crm.css');
		$rendered = true;
	}

	return parent::renderControlSingle($fieldType, $field, $value, $allowSelection, $renderMode);
}