And use that in sfx2 Redaction code to be independent of
the document/module type

Change-Id: Ic206f7a10a27d8d44566df34a10d009a34adf0a5
Reviewed-on: https://gerrit.libreoffice.org/65971
Tested-by: Jenkins
Reviewed-by: Muhammet Kara <muhammet.kara@collabora.com>
Reviewed-on: https://gerrit.libreoffice.org/69813Reviewed-by: Andras Timar <andras.timar@collabora.com>
Tested-by: Andras Timar <andras.timar@collabora.com>