When a glTF PBR material is used, attempting to align planar textures has no effect, and the texture alignment overlay appears to remain tied to the transforms of the underlying Blinn-Phong material, even though the PBR material is active. This is a major workflow impediment for creators utilizing PBR.

To Reproduce:

1. Rez two prims and place them next to each other.
2. Apply a glTF (PBR) material to adjacent faces on both prims.
3. Set the texture mode for these faces to "Planar".
4. Ensure that the texture transforms (Scale, Rotation, Offset) of both faces do not match, so they are visibly misaligned.
5. Select both faces.
6. In the "Texture" tab of the build floater, click the "Align" button or check the "Align planar faces" checkbox.

Expected Result: The PBR textures on the adjacent faces should align seamlessly, just as Blinn-Phong textures do.
Actual Result: The PBR textures do not align. The "Align Planar Faces" action has no visible effect on the PBR material's texture mapping.

Media

Clip Demonstrating Behavior: https://youtu.be/LuTbgsij74M

Two planar PBR faces selected. Checking "Align planar faces" has no effect, even when they are misaligned

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