WebGPU: Add labels to buffers + support non float vertex buffers

[Popov72]

There are several updates in this PR:

• add labels to buffers to help debugging
• add support for non float buffers for the standard vertex buffer types (position, normal, uv, etc)
• fix a bug in Geometry.setVerticesBuffer when computing the number of vertices when the type is UNSIGNED_BYTE
• re-enable the "GLTF Buggy with Meshopt Compression" visualization test, now that non float vertex buffers are supported

After the PR is merged, these PGs, which are using non float vertex buffers for position/normal/uv, will work:

• Simple face: https://playground.babylonjs.com/?webgpu#U1CZV3#16
• glTF Draco compression: https://playground.babylonjs.com/?webgpu#3RWEGG#7
• WGSL custom shader: https://playground.babylonjs.com/?webgpu#6GFJNR#209

Regarding TintWASM, I did not include the latest package in the PR because it went from 1.6Mb to 2.6Mb...

[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]

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]

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