ApplyMatrix on 3D polygon : update coord sys for normal direction

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24090 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
possible fix for gray line (untested)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@24091 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e