Steps to reproduce:

1. Create new project using universal 3d template

2. Install Visual Effects Graph package

3. In top menu, click Assets > Create > Visual Effects > Visual Effects Graph

4. Click "Install learning templates"

5. Once templates are installed, repeat step 3

6. Click on "Learning Templates" group header

Actual results: InvalidCastException: Specified cast is not valid. is printed to console, Learning templates group is not collapsed

Expected results: Learning templates group collapses

Reproducible with versions: 6000.0.33f1, 6000.1.0b1

Not reproducible with versions: 

Can’t test with versions: 2022.3.54f1 (Create new VFX Graph window does not exist)

Tested on (OS): MacOS 15.1.1

Notes:

• Clicking on "Default VFX Graph Templates" header will also produce the same error. However, error does not reproduce if learning templates aren't imported into the project