Tooltips on tracked changes are not shown when Show track changes
is switched off; additional property introduced at Tools > Option >
Writer > Changes to disable the inline tooltip completely

Change-Id: I5b54895bb22d167a383b06627c69326c3c2f5b02
Reviewed-on: https://gerrit.libreoffice.org/46971Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>
Tested-by: Heiko Tietze <tietze.heiko@gmail.com>