NME: Fix preview for some of the pre-defined meshes

[Popov72]

See https://forum.babylonjs.com/t/pbr-node-material-with-coarse-roughness-issue-with-non-omni-lights/47812/5

Concerned meshes: sphere, cube, plane

The problem was that we bake the current transformation but don't move the mesh to the top of the hierarchy (`parent=nullhttps://forum.babylonjs.com/t/pbr-node-material-with-coarse-roughness-issue-with-non-omni-lights/47812/5). So, the parent transformation is applied two times, one time during baking and another time when rendering the mesh.

Also, there was a bug in the baking method, because tangents were not transformed.

[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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[bjsplat]

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[RaananW]

Oh, and please ignore the webgpu test failure (if it is persistent). I made the change and fixed it a fe minutes after, but this PR was submitted before I fixed it...