MeshPhysicalMaterial: sheenColorMap is not exported in .toJSON()

[JuanRenoldi]

Description

The texture for sheenColorMap is not exported in .toJSON()

Reproduction steps

1. Open https://threejs.org/editor/
2. Create any Meash and assign a MeshPhysicalMaterial to it.
3. Add a texture to the sheenColorMap and activate it.
4. Refresh.

Other way is to material.toJSON() and exploring the json, no texture is created from the sheenColorMap.

Code

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Live example

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Screenshots

No response

Version

r179

Device

Desktop

Browser

Chrome

OS

MacOS