Hitting for shaders (desktop/web)

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33338 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
No clip plane needed for mouse cursor

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@33342 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e