HHH-18976 Replace unnecessary dynamic array instantiations with calls to new Object[]

The dynamic instantiations were originally introduced to fix
the following issues:

* HHH-17201 -- tested in MultiIdEntityLoadTests

The corresponding tests still pass after removing these dynamic array
instantiations.

Author: yrodiere

hibernate-core/src/main/java/org/hibernate/internal/MultiIdentifierLoadAccessImpl.java

@@ -19,7 +19,6 @@
 import org.hibernate.graph.GraphSemantic;
 import org.hibernate.graph.RootGraph;
 import org.hibernate.graph.spi.RootGraphImplementor;
-import org.hibernate.loader.ast.internal.LoaderHelper;
 import org.hibernate.persister.entity.EntityPersister;
 import org.hibernate.loader.ast.spi.MultiIdLoadOptions;
 
@@ -191,7 +190,7 @@ public <K> List<T> multiLoad(List<K> ids) {
 		}
 		else {
 			return perform( () -> (List<T>) entityPersister.multiLoad(
-					ids.toArray( LoaderHelper.createTypedArray( ids.get( 0 ).getClass(), ids.size() ) ),
+					ids.toArray( new Object[0] ),
 					session,
 					this
 			) );