HHH-18719 Previous row state reuse can provide detached entities to the consumer

[reda-alaoui]

Fix for https://hibernate.atlassian.net/browse/HHH-18719

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[dreab8]

Hi @reda-alaoui ,

Thanks a lot for your work, with @beikov we are trying to see if we can avoid the map lookup overhead.

[beikov]

Thanks. Superseded by https://github.com/hibernate/hibernate-orm/pull/9102