ConversionManager::loadWizardByRequest

static function loadWizardByRequest(Request $request): ?EntityConversionWizard
{
	$srcEntityTypeId = (int)$request->get(EntityConversionWizard::QUERY_PARAM_SOURCE_TYPE_ID);
	$entityId = (int)$request->get(EntityConversionWizard::QUERY_PARAM_SOURCE_ID);

	if ($entityId > 0 && \CCrmOwnerType::IsDefined($srcEntityTypeId))
	{
		return static::loadWizard(new ItemIdentifier($srcEntityTypeId, $entityId));
	}

	return null;
}