HHH-17307 Hibernate 6 ListResultsConsumer.Results#addUnique really slow for ElementCollections

Author: dreab8

hibernate-core/src/main/java/org/hibernate/loader/ast/internal/CollectionLoaderSubSelectFetch.java

@@ -138,7 +138,7 @@ public PersistentCollection<?> load(Object triggerKey, SharedSessionContractImpl
 				this.subselect.getLoadingJdbcParameterBindings(),
 				new ExecutionContextWithSubselectFetchHandler( session, subSelectFetchableKeysHandler ),
 				RowTransformerStandardImpl.instance(),
-				ListResultsConsumer.UniqueSemantic.FILTER
+				ListResultsConsumer.UniqueSemantic.NONE
 		);
 
 		if ( subSelectFetchedCollections != null && ! subSelectFetchedCollections.isEmpty() ) {