List Grid Record Component creation is failing

Hi,
We are using Smart Gwt-4.1p(23rd May 2014)
Browser : IE10, 11, Google Chrome:37.0.2062.124 m


List Grid Record Component(Button) creation is failing when deselect and select from the pick list column.
Please find the URL to reproduce the above issue.
http://www.smartclient.com/smartgwt/showcase/#featured_grid_cell_widgets
And also please find the attached screenshot.


Thanks

Attached Images

ListGrid_RecordComponent.png (43.5 KB)