honor USE_INTERNAL_RIGHTS from scp2
honor USE_INTERNAL_RIGHTS from scp2

Archive::Zip doensn't restore file permissions when unpacking, so
stat'ing the extracted copy is useless.

Change-Id: Ifdc586fbe76bc55af35f10c6ad9468ae69947f13
Reviewed-on: https://gerrit.libreoffice.org/1167
Reviewed-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>
Tested-by: Michael Stahl <eef8671db506f9731c0438a7613853b6391ca841@redhat.com>

JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core,JurassicWordExcel/core