use mnemonic-widget instead of label-for+labelled-by

then the a11y relation is implied without the need for explicit
extra annotation, and there is a mnemonic auto generated.

use more standard spacing values and spacing pattern too

Change-Id: I87b4ceb74a09b0203ffcd70196ffab50a7820354
Reviewed-on: https://gerrit.libreoffice.org/c/core/+/146478
Tested-by: Jenkins
Reviewed-by: Caolán McNamara <caolanm@redhat.com>

0 files changed, 0 insertions, 0 deletions