The Graph Gallery example crashes when clicking on surface graph

MacOS 15.3.1

Qt Creator 15.0.1

Qt 6.9.0b3

Steps to reproduce:

1. Run the graph gallery example.
2. Switch to surface graph
3. Select column slice in graph selection mode
4. Select textured typography as a model
5. Click on the graph (use also right-click to move the graph)

Expected: The app should not crash

Actual: The app crashes. See the attached video. Crash report attached.