TemplateFieldHandler::prepareSiteId

public function prepareSiteId(): self
{
	if (
		$this->templateId
		&& !array_key_exists('SITE_ID', $this->fields)
	)
	{
		return $this;
	}

	if (
		(string)($this->fields['SITE_ID'] ?? null) === ''
		|| (string)($this->fields['SITE_ID'] ?? null) === CTaskTemplates::CURRENT_SITE_ID
	)
	{
		$this->fields['SITE_ID'] = SITE_ID;
	}

	return $this;
}