...focus manager.

This prevents escape key press on More Options tool box in some panel
title bars from sending focus to doc view.

Change-Id: Iaac9bf31494e4e35f30350580acaa9f42ead49a0
Reviewed-on: https://gerrit.libreoffice.org/59783
Tested-by: Jenkins
Reviewed-by: Maxim Monastirsky <momonasmon@gmail.com>