The graph breaks down when Target Gameobject window is reopened after it's closed by clicking somewhere in the editor

Steps to repro:

1. Open the attached project.
2. Select the Visual Effect game object.
3. Inspector > Asset Template click on Edit button
4. Click on Target GameObjectTab > Set Debug Mode to Efficiency
5. Click somewhere ion the editor to close it
6. Inspector > Asset Template click on Edit button

Expected Result: The window reopens and the graph looks correct

Observed Result: The graph is distorted

Reproducible in:
2020.2.0a10, 2020.2.0a1, 2020.1.0b8, 2020.1.0b1, 2020.1.0a23 with Package Version 9.0.0, 8.1.0 and 8.0.1

Note: Debug Mode option available from Package version 8.0.1