How to reproduce:
1. Open the user attached project (SerializeReferenceBug.zip)
2. In the menu bar go to: Test > Create Empty Meta Asset Object
3. Select the created "Empty Metadata Object" in the Project view
4. In the Inspector observe the empty "metadata" field
5. Open the C# class "EmptyMetadata.cs"
6. Uncomment the code in the class and save the script
7. Wait for recompilation to finish, then select "Empty Metadata Object" asset again
8. Observe the Console

Expected result: the Console is empty
Actual result: there's an error "Cannot access reference object for property path 'metadata'. The reference managed script might have changed."

Reproducible with: 2021.2.0a19, 2021.3.4f1, 2022.1.3f1, 2022.2.0a15
Not reproducible with: 2019.4.39f1, 2020.3.35f1, 2021.2.0a18