Perspective Equivalent Vision Level Indicator?

I have had trouble in the past getting gradients from an svg to show up in perspective but if it is saved properly it should work

I am able to simply drag and drop (as an embedded image) this tank svg directly into a perspective view and the gradient works
fillindicator_opt

Here's a screen shot of the element props that I see when I drop it on the view

I'm using 8.1.1 (8.0.16 worked too)