add Initialization Vectors to password storage
old ones default to the current all zero case and continue to work
as before
Change-Id: I6fe3b02fafcce1b5e7133e77e76a5118177d77af
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/131974
Tested-by: Jenkins
Reviewed-by: Michael Stahl <michael.stahl@allotropia.de>
(cherry picked from commit
192fa1e3bfc6269f2ebb91716471485a56074aea)
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/132186
Reviewed-by: Thorsten Behrens <thorsten.behrens@allotropia.de>