Improves mousedown gizmo selection
Improves mousedown gizmo selection

gideonmay/osgjs,jtorresfabra/osgjs,jtorresfabra/osgjs,jmirabel/osgjs,hishamabdelrahman/osgjs,cedricpinson/osgjs,kkuunnddaannkk/osgjs,gideonmay/osgjs,hishamabdelrahman/osgjs,gideonmay/osgjs,jmirabel/osgjs,cedricpinson/osgjs,jmirabel/osgjs,kkuunnddaannkk/osgjs,hishamabdelrahman/osgjs,kkuunnddaannkk/osgjs,jtorresfabra/osgjs,cedricpinson/osgjs