fdo#81475 Disabling background color in enabling some other buttons

Change-Id: I5eee027d2cb1dd3528a274556568110da5609223
Reviewed-on: https://gerrit.libreoffice.org/12306
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>