Line segment not working with fog effect

[Mitia-RH]

Hello! I noticed that line segments in the current build are not reacting to the fog effect.

I tried just adding this line: const [lineMaterial] = React.useState(() => new LineMaterial({ fog: true })); instead of just this: const [lineMaterial] = React.useState(() => new LineMaterial()) in src/viser/client/src/Line.tsx.

I missed this in my previous PR. I verified the fix locally and it resolves the rendering inconsistency. Happy to open a quick PR for this if needed!

[brentyi]

Thanks!! Would appreciate a PR if you have time 🙏