Animate switching between still Still Image and Video modes

[codygarver]

It's not super obvious to me that changing between still image and video is actually doing anything because the modes change so fast. Maybe there should be transition animation?

[cassidyjames]

I think this could be considered resolved because we have a big obvious photo or video icon, but I wouldn't be opposed to something more interesting. For prior art, the camera on Pixel overlays with a dark overlay and symbolic icon while switching, though that may be in part to make the framing change feel more smooth.