Partially generated composite attribute is not retrieved after insert
Description
The problem is that EntityBasedCompositionAttribute#getValueGenerationStrategy#valueGenerationStrategy returns null (even though sub-attribute is generated). As a result, the generated value is not read by {[AbstractEntityPersister#processGeneratedProperties}} after insert.
The problem is that
EntityBasedCompositionAttribute#getValueGenerationStrategy#valueGenerationStrategy
returns null (even though sub-attribute is generated). As a result, the generated value is not read by {[AbstractEntityPersister#processGeneratedProperties}} after insert.org.hibernate.test.generated.PartiallyGeneratedComponentTest
reproduces this.