Browser check is happening for the widget. Verify/update/remove this check.

[rbdavid]

https://github.com/EnzymeFunctionInitiative/EFIToolsKBase_GND_Widget/blob/a5287de754563779f8d2df843db0972650aab7d5/widget/assets/widgets/gnd/js/ui.js#L9C1-L15C1

Check "Can I use ?" site to see if browsers can handle the javascript class structure used in the javascript elements of the widget.