Since commit b10833d4, it's required
to detect when objects' placement should be adjusted, and call
SetDrawPageSize manually.
Unit test included

Change-Id: I933ba4802b212400cc47ed0fb7e1f8f44049bb81
Reviewed-on: https://gerrit.libreoffice.org/34165Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Mike Kaganski <mike.kaganski@collabora.com>