Use bearings in field of view handling

[oscarlorentzon]

Motivation

Ensure that cameras with a >180 degree field of view are handled correctly.

Contribution

• Use bearings to determine field of view for render camera.
• Use bearings to determine field of view for pan images.
• Apply zoom to max field of view calculation.

Test Plan

yarn build
yarn test
yarn start

localhost:8000/tag.html
localhost:8000/fisheye.html