How to reproduce:
1. Open the attached "IN-86796" project
2. Open the "SampleScene"
3. Locate the “VWBeetle.fbx” in the “Assets/beetle/source” directory and place it inside the Scene
4. Navigate to “Tools/ProBuilder/Object/Pro Builderize” inside the Editor window
5. Observe the Scene view

Expected result: Model gets converted without issues
Actual result: Model gets converted with artifacts and corruptions

Reproducible in: 5.1.1 (2021.3.29f1, 2022.3.7f1), 5.2.3 (2021.3.45f1, 2022.3.51f1), 6.0.4 (6000.0.24f1, 6000.1.0a1)

Reproducible on: Windows 11
Not reproducible on: No other environments tested

Note: ProBuilderize takes some time to fully execute because of the high polygon count of the model