*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