Ticket #4051: on GeoGebraWeb applets, resize followed by drag & drop works OK

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31569 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Ticket #4051: corrected comment

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@31570 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e