MC-32278: Position sort does not work in GraphQl.

- fix method call

Author: cpartica

app/code/Magento/CatalogGraphQl/Model/Resolver/Products/DataProvider/ProductSearch.php

@@ -98,7 +98,7 @@ public function getList(
         $collection = $this->collectionFactory->create();
 
         //Create a copy of search criteria without filters to preserve the results from search
-        $searchCriteriaForCollection = $this->searchCriteriaBuilder->process($searchCriteria);
+        $searchCriteriaForCollection = $this->searchCriteriaBuilder->build($searchCriteria);
         //Apply CatalogSearch results from search and join table
         $this->getSearchResultsApplier(
             $searchResult,