Avoid double-click when after second press the mouse is dragged

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35722 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e
Defensive code for Cordova

git-svn-id: http://dev.geogebra.org/svn/trunk/geogebra@35723 23ce0884-8a58-47d3-bc5c-ddf1cd5b9f9e