NodeMaterial: Honor aoNode in clone().

[querielo]

No description provided.

[Copilot]

Pull Request Overview

This pull request adds the aoNode property to the NodeMaterial clone method and fixes a documentation error. The change ensures that ambient occlusion nodes are properly copied when cloning NodeMaterial instances.

• Added aoNode property copying in the clone method
• Fixed documentation comment that incorrectly referenced "normals" instead of "opacity"

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[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	348.94 84.6	348.94 84.6	+0 B +0 B
WebGPU	603.53 169.27	603.55 169.27	+21 B +4 B
WebGPU Nodes	602.13 169.03	602.15 169.04	+21 B +4 B

🌳 Bundle size after tree-shaking

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

	Before	After	Diff
WebGL	480.6 119.35	480.6 119.35	+0 B +0 B
WebGPU	672.94 184.7	672.96 184.71	+21 B +5 B
WebGPU Nodes	615.45 168.09	615.47 168.09	+21 B +4 B