Tracking issue for `camera_modification_in_fixed_update`

[BD103]

This is a tracking issue for the camera_modification_in_fixed_update nursery lint. This may be closed once camera_modification_in_fixed_update has been stabilized.

• Original Issue: Add lint: modifying camera code under FixedUpdate schedule #105
• Original Implementation: Add Lint: camera_modification_in_fixed_update #417
• Current Docs: https://thebevyflock.github.io/bevy_cli/api/bevy_lint/lints/nursery/camera_modification_in_fixed_update/index.html

Known Issues

• camera_modification_in_fixed_update doesn't handle nested systems #494
• The name should be shortened if possible