Support propagating UV coordinates for Mesh simplification

[ssheorey]

Checklist

• [X] I have searched for similar issues.
• [X] For Python issues, I have tested with the latest development wheel.
• [X] I have checked the release documentation and the latest documentation (for main branch).

Proposed new feature or change

SimplifyQuadricDecimation() and SimplifyVertexClustering() ignore UV coordinates. These or alternate mesh simplification methods should support propagating UV coordinates to enable texture mapping with the resulting mesh.

References

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Additional information

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[ssheorey]

FYI: @nsaiapova @kxgao @benjaminum