Use ShapeExport to export additional shapes (userShapes) in Chart. Change-Id: Ic70a7f84c4ac028b6f09a69bec2cf4949944b16c Reviewed-on: https://gerrit.libreoffice.org/c/core/+/107605 Tested-by: Jenkins Tested-by: László Németh <nemeth@numbertext.org> Reviewed-by: László Németh <nemeth@numbertext.org>