Replaced voronoi noise code

[lockphase]

Pls see forum post on voronoi noise node artifact in nme.

[bjsplat]

Please make sure to label your PR with "bug", "new feature" or "breaking change" label(s). To prevent this PR from going to the changelog marked it with the "skip changelog" label.

[bjsplat]

Snapshot stored with reference name: refs/pull/15117/merge

Test environment: https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15117/merge/index.html

To test a playground add it to the URL, for example:

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15117/merge/index.html#WGZLGJ#4600

Links to test babylon tools with this snapshot:

https://playground.babylonjs.com/?snapshot=refs/pull/15117/merge https://sandbox.babylonjs.com/?snapshot=refs/pull/15117/merge https://gui.babylonjs.com/?snapshot=refs/pull/15117/merge https://nme.babylonjs.com/?snapshot=refs/pull/15117/merge

To test the snapshot in the playground with a playground ID add it after the snapshot query string:

https://playground.babylonjs.com/?snapshot=refs/pull/15117/merge#BCU1XR#0

[bjsplat]

WebGL2 visualization test reporter:

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15117/merge/testResults/webgl2playwright/index.html

[bjsplat]

Visualization tests for WebGPU (Experimental) Important - these might fail sporadically. This is an optional test.

https://babylonsnapshots.z22.web.core.windows.net/refs/pull/15117/merge/testResults/webgpuplaywright/index.html

[Popov72]

I'm ok with the changes, the only thing is that it's a breaking change for people who use the existing function and weren't bothered by the bug...

What do you think @sebavan?

[deltakosh]

I believe it is ok. We usually fix bugs even if the previous behavior was acceptable for some users