Animation Clip Render Pipeline Converter does not detect Animation Clips that modify material Properties

Steps to reproduce:

1. Open the attached project
2. Open the Render Pipeline Converter window (Window -> Rendering -> Render Pipeline Converter)
3. Enable and Expand Animation Clip Converter
4. Press the Scan Button
5. Observe the detected assets

Actual results: No convertible assets are detected

Expected results: Two animation files should be detected by the Converter

Reproducible with versions: 6000.5.0a4, 6000.5.0a7

Not reproducible with versions: 6000.0.66f2, 6000.3.10f1, 6000.4.0b10, 6000.5.0a3

Tested on (OS): macOS 26.2, Windows 11