RenderObjects: Force material.needsUpdate=true to update the material if geometry is changed.

[sunag]

Related issue: #29836

Description

Force material.needsUpdate=true to update the material if geometry is changed.

[github-actions]

📦 Bundle size

Full ESM build, minified and gzipped.

	Before	After	Diff
WebGL	339.37 79.06	339.37 79.06	+0 B +0 B
WebGPU	477.96 132.56	477.94 132.55	-19 B -10 B
WebGPU Nodes	477.43 132.44	477.41 132.42	-19 B -12 B

🌳 Bundle size after tree-shaking

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

	Before	After	Diff
WebGL	464.82 112.02	464.82 112.02	+0 B +0 B
WebGPU	546.89 148.19	546.87 148.17	-19 B -14 B
WebGPU Nodes	502.77 137.89	502.75 137.88	-19 B -15 B