this patch removes the search by name for css::beans::XPropertySet because
that fails if that is indirectly inherited e.g. with css::util::XSearchDescriptor

Change-Id: I7f40b1d109d9bddc0987bea8eb3eda5b7f1aaaa9
Reviewed-on: https://gerrit.libreoffice.org/20792Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Oliver Specht <oliver.specht@cib.de>