Renderer: clean up

[s-rigaud]

Small syntax improvements

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	685.24 169.64	685.24 169.64	+0 B +0 B
WebGPU	826.41 221.63	826.4 221.63	-6 B +8 B
WebGPU Nodes	825.99 221.54	825.98 221.54	-6 B +7 B

🌳 Bundle size after tree-shaking

Minimal build including a renderer, camera, empty scene, and dependencies.

	Before	After	Diff
WebGL	462.02 111.48	462.02 111.48	+0 B +0 B
WebGPU	525.5 141.64	525.49 141.66	-6 B +11 B
WebGPU Nodes	482.15 131.46	482.15 131.47	-6 B +11 B

[Mugen87]

In general the PR is okay but I hope it is not taken as an occasion to migrate all code to this style. The previous syntax is totally fine and there is no reason to move everything to destructuring.

[s-rigaud]

I had to debug a Three project and I ended up to this file. My IDE highlited some minor changes that can be made via the sourcery plugin so I figured out I might just do a quick PR just to slightly improve the code quality, I don't expect to do more PRs like this in the future.