Galaxy goes into an extension, fallback updated

Change-Id: I4b6998035857f01368b39d4f16b2639d8a665065
Reviewed-on: https://gerrit.libreoffice.org/53092Reviewed-by: andreas_kainz <kainz.a@gmail.com>
Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Heiko Tietze <tietze.heiko@gmail.com>