Lift embedded/id-class to-one selection limitation for from clause subqueries
Description
When we released 6.1 with from clause subqueries, we agreed to release with certain limitations to be able to finish in time. These limitations, selecting to-one associations with embedded ids or id classes, should now be lifted.
When we released 6.1 with from clause subqueries, we agreed to release with certain limitations to be able to finish in time. These limitations, selecting to-one associations with embedded ids or id classes, should now be lifted.