When drawing a multiline edit we need to use a different device
(current window) to get the correct font and adjust for the Draw
method's input device.

Change-Id: I7993790c02d10e4283c7a4e2caefff0c7747e978
(cherry picked from commit 6c417274)
Reviewed-on: https://gerrit.libreoffice.org/20332Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Miklos Vajna <vmiklos@collabora.co.uk>