Don't show unused de-vs-specific filters in settings dialog

The de-vs-specific filters are only used in de-vs compliant installations.
Hence we don't want to show those filters in the settings dialog for
non-compliant installations.

(cherry picked from commit d1bbc32cd7ce11a27c422593c6b755973b1eaf84)

• GnuPG-bug-id: T8079