fdo#59299 Personas for bottom toolbars

Change-Id: If823964bf3bb67563504db61b6c5d557cab89243
Reviewed-on: https://gerrit.libreoffice.org/11609
Reviewed-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>
Tested-by: Samuel Mehrbrodt <s.mehrbrodt@gmail.com>