HHH-7781 - Fix and test
HHH-1917 Bulk Delete on the owning side of a ManyToMany relation needs
to delete corresponding rows from the JoinTable
HHH-1917 updated comment
HHH-7928 - Regression caused by HHH-6361
HHH-2951 Restrictions.eq when passed null, should create a NullRestriction
HHH-2951 test case