Reproduction steps:
1. Open the attached “Test Project” project
2. In the Project window create a new “Shared Graph/URP/Lit Shader Graph”
3. Open the Shader Editor by double-clicking the newly created Shader Graph Asset
4. Create node “Reflection Probe”
5. Connect it’s output to the “Fragment” node’s “Color”
6. Apply “Sphere” GO the newly created “Shader Graph”
7. Observe “Sphere” GO

Expected result: “Sphere” GO displays the color without any issues
Actual result: “Sphere” GO’s color (surface) flickers

Reproducible with: 4.0.3 (2022.2.0b16), 14.0.4 (2022.2.2f1), 15.0.3 (2023.1.0a25)
Not reproducible with: 10.10.1 (2020.3.44f1), 12.1.8 (2021.3.16f1), 13.1.9 (2022.1.24f1), 4.0.3 (2022.2.0b15)

Reproducible on: Windows 10