Bumping react-color from 2.17.3 to 2.18.1 is really slowing the drag down
![colorPicker](https://user-images.githubusercontent.com/45688129/85791594-16e1c800-b700-11ea-94f0-885b07a7f191.gif)

The Dragging functionality of the color map and the slider is obviously slowed down.
It looks like I'm clicking to move the selector, but I'm actually dragging it, and it has almost a 1000ms of delay