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

Change-Id: Idf2b3d7484feb78a0ed762a14d9fde587b6a46fa
Signed-off-by: Gulsah Kose <gulsah.1004@gmail.com>
Reviewed-on: https://gerrit.libreoffice.org/22731Tested-by: Jenkins <ci@libreoffice.org>
Reviewed-by: Maxim Monastirsky <momonasmon@gmail.com>