#3775 enable right click works from js

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30079 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
#3775 enable label drag works from js

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@30080 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e