Freeline filled, Polygon filled, Bezier Filled, Polygon 45,
Polygon 45 filled buttons are added into writer's LineToolbox.

Change-Id: I181d3cbc64a70ef1ef363b1ef76641b6b8ec2c79
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/22748Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Maxim Monastirsky <momonasmon@gmail.com>