How to reproduce:
1. Create a new Unity project and import the "MySimpleGraph" Script
2. In the Project window, right-click -> Create -> Graph Toolkit Samples -> Simple Graph -> Open the Graph
3. In the Blackboard, click "+" to add a variable
4. With the variable selected, narrow down the "Graph Inspector"
5. Scroll the "Graph Inspector" and observe the results
Expected results: The fields can be accessed using the scrollbar
Actual results: The fields can't be accessed even when fully scrolled
Reproducible with: 6000.4.0b7, 6000.5.0a6
Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested