SpeedTree meshes don't calculate UV distribution metrics on import

Unity: Speedtree Integration

2023.3.X

2023.2.X

2023.1.X

2021.3.X

2022.2.X

2020.3.X

Reproduction steps:
1. Open the attached project “UVRepro“
2. Open “Assets/Scenes/SampleScene.unity“ Scene
3. Observe the Console window

Expected result: UV 0 distribution metric is ~9.804798
Actual result: UV 0 distribution metric is 1

Reproducible with: 2020.3.45f1, 2021.3.19f1, 2022.2.7f1, 2023.1.0b5, 2023.2.0a3

Reproducible on: Intel MacOS Ventura 13.1