Steps to reproduce:
1. Open provided project “IN-135909”
2. Enter Play mode
3. Click toggle “STP Enabled” to enable STP
4. Observe the Game view
Actual result: After enabling STP the GameObject becomes gray
Expected result: After enabling STP the GameObject stays the same and the projects' performance is better
Reproducible with: 6000.0.67f1, 6000.0.71f1, 6000.3.11f1, 6000.4.0b11, 6000.5.0a4, 6000.5.0a9, 6000.6.0a1
Not reproducible with: 6000.0.66f2 (b20bc5da3050), 5000.5.0a3
Reproducible on: Tahoe 26.3 (25D125)
Not reproducible on: Windows 11