Added accessibilty to some UI files Change-Id: Id9d1eae93151e232040fdcf22810ba67ead05609 Reviewed-on: https://gerrit.libreoffice.org/c/core/+/151138 Tested-by: Jenkins Reviewed-by: Samuel Thibault <sthibault@hypra.fr> Reviewed-by: Caolán McNamara <caolan.mcnamara@collabora.com>