regression from
commit bdf2d66478
Author: Noel Grandin <noelgrandin@gmail.com>
Date: Sat Sep 2 10:44:51 2023 +0200
use more concrete type in AccessibleChartView
Change-Id: I5f76f10404d6a202b1653f5e7cabc665b5962557
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/156615
Tested-by: Jenkins
Reviewed-by: Noel Grandin <noel.grandin@collabora.co.uk>