OnValidate callback is called twice when entering Prefab Mode

How to reproduce:
1. Open the attached “OnValidateIssue“ project
2. Add the "New Prefab" prefab to the Hierarchy
3. Edit the prefab in Prefab Mode (">" button in the Hierarchy)
4. Observe the Console

Expected result: "OnValidate" log appears once
Actual result: "OnValidate" log appears twice

Reproducible with: 2021.1.0a1, 2021.3.13f1, 2022.1.20f1, 2022.2.0b12, 2023.1.0a16
Not reproducible with: 2020.3.41f1

Reproducible on: Windows 10