Src: Nomenclature clean up

[WestLangley]

Changed 'reverse' -> 'reversed', plus some subjective changes for clarity

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	338.62 79.03	338.73 79.06	+108 B +30 B
WebGPU	566.96 156.76	566.96 156.76	+0 B +0 B
WebGPU Nodes	565.56 156.51	565.56 156.51	+0 B +0 B

🌳 Bundle size after tree-shaking

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

	Before	After	Diff
WebGL	470.05 113.73	470.15 113.76	+108 B +31 B
WebGPU	638.44 172.77	638.44 172.77	+0 B +0 B
WebGPU Nodes	593.09 162.03	593.09 162.03	+0 B +0 B

[mrdoob]

Is this easier to read?

USE_LOGARITHMIC_DEPTHBUFFER
USE_REVERSED_DEPTHBUFFER

[WestLangley]

Is this easier to read?

Maybe, but I don't think "depthbuffer" is a word.

[mrdoob]

Up to you 👌