SelectorProvider::getLandingIdFromDialog

protected function getLandingIdFromDialog(Dialog $dialog): ?int
{
	$entity = $dialog->getEntities()['landing'] ?? null;
	if ($entity)
	{
		if ($landingId = $entity->getOptions()['landingId'] ?? null)
		{
			return $landingId;
		}
	}

	return null;
}