WFCORE-129 - overlay does not work for zipped files in exploded archive

WFLY: https://issues.jboss.org/browse/WFCORE-129
6.4.0: https://bugzilla.redhat.com/show_bug.cgi?id=1147352
Ah, I see what is going on now, I misunderstood what you were trying to do. I think this looks ok.