At the last User Conference, I asked if I could copy a widget from client\dist\widgets folder into client\your-extensions\widgets, rename it, and make changes. I was told this was OK to do and I had no problems with arcgis-map and image widgets when I did that. For the List Widget, I wanted to change the src\runtime\translations\default.ts listNoData value, but when I tried it the data did not seem to connect properly to the Text Widgets in the List Widget:
Also when I select a feature, all of the list items display the selected ObjectID:
Is there anything else I need to do to make a copy of this or other widgets?