private function getManualSortProductCollection()
{
$productIds = $this->getSortedProductIds();
$productCollection = $this->getAutomaticSortProductCollection();
$idFilter = $this->queryFactory->create(QueryInterface::TYPE_TERMS, ['values' => $productIds, 'field' => 'entity_id']);
$productCollection->addQueryFilter($idFilter);
$productCollection->setPageSize(count($productIds));
return $productCollection;
}