Add the ability to use a field date to indicate the last update for a panel. Currently it only shows the last time the element's layer was refreshed. Being able to see the last date and/or time a survey was submitted or an edit was made would be more helpful
![last update button](/legacyfs/online/480056_last update text.JPG)
![last update example](/legacyfs/online/480057_last update text example.JPG)