Improve handling of deleted entities
Improve handling of deleted entities

The timestamper runs when an entity is deleted in order to update all of
its parents, however the entity itself should not be captured as it is
removed and no longer has an ID. This has been working before because
Doctrine was silently filtering these failures out for us, but the
latest version doesn't anymore requiring this fix.

stopfstedt/ilios,Trott/ilios,thecoolestguy/ilios,ilios/ilios,thecoolestguy/ilios,dartajax/ilios,dartajax/ilios,ilios/ilios,stopfstedt/ilios,Trott/ilios