Support case-insensitive operation for non-ASCII characters in the Replace function in Basic. Change-Id: I48069ad7be1ae0f012c52f595cc44e6b50580b94 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/94580 Tested-by: Jenkins Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>