Shader Graph node preview does not load when restarting the Editor with the Shader Graph opened

How to reproduce:
1. Open the attached “ShaderGraph.zip” project
2. Open the “test” Shader Graph for editing
3. Close the editor
4. Reopen the project
5. Observe the result

Expected result: Shader Graph node preview is visible
Actual result: Shader Graph node preview appears as a gray box

Reproducible in: 6000.0.19f1
Not reproducible in: 2021.3.44f1, 2022.3.48f1
Fixed in: 6000.0.20f1

Reproducible on: Windows 10
Not reproducible on: Windows 11