[6.6] HHH-19522 upsert should not fail silently instead of throwing StaleObjectStateException#10311

mbellade wants to merge 4 commits intohibernate:6.6hibernate/hibernate-orm:6.6from

mbellade:HHH-19522_6.6mbellade/hibernate-orm:HHH-19522_6.6Copy head branch name to clipboard