Restore AbstractCollectionPersister.doProcessQueuedOps(PersistentCollection, Serializable, SessionImplementor) removed by HHH-9078

The fix for removed this method in AbstractCollectionPersister, which can cause problems for integrators.:

This issue will restore the method and provide a default implementation for the method added by HHH-9078:

The method added by will be deprecated in 4.2 and 4.3. It will be removed in master. I'll link the deprecation and feature removal issue links shortly.