White poles appearing during globe-mercator transition

[avpeery]

mapbox-gl-js version: 2.9.0 +

browser: Tested in Chrome

Steps to Trigger Behavior

1. Open http://localhost:9966/debug/index.html#5.12/84.48/62.69/0/85 in chrome
2. Run map.setProjection('globe')
3. Note poles as white.

*If difficulty reproducing, widen window and slowly zoom in / out during the globe/mercator transition.

Link to Demonstration

Actual Behavior

[SnailBones]

I'm able to reproduce this on Mac in Chrome and Firefox but not Linux. I'm also seeing a similar but seemingly distinct issue #12026 bug 3 that does occur on Linux and is not limited to the globe-mercator transition.