`isolate`d calls are rendered with a dashed line instead of a solid line. It would be helpful if this was shown in the legend. For example: <img width="1083" alt="Screen Shot 2021-01-07 at 10 07 58 AM" src="https://user-images.githubusercontent.com/86978/103917507-4c199a80-50d3-11eb-9486-bf4fe123f1bd.png">
isolated calls are rendered with a dashed line instead of a solid line. It would be helpful if this was shown in the legend. For example: