add resizeListener to subtoolbar

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27810 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
LineStyle (fix)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@27811 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e