Reproduction steps:
1. Create a new project
2. Create > Shader Graph > From Template…
3. Click on any item in the “Create new Shader Graph Asset” window to select it
4. Press left and right arrow keys several times
5. Observe the Console
Actual result: "InvalidOperationException: Collection was modified; enumeration operation may not execute." error is thrown
Expected result: No errors or warnings are thrown
Reproducible with: 6000.5.0a5, 6000.5.0b12
Not reproducible with: 6000.3.17f1, 6000.4.11f1, 6000.5.0a4, 6000.6.0a7
Couldn’t reproduce with: 6000.0.76f1 (No “Create new Shader Graph Asset” window)
Reproduced on: Windows 11, macOS Tahoe 26.5 (M4), Ubuntu 24.04