Editor: Freshly created prefab can't be assigned as a value in Properties

[eprikazchikov]

Description

Freshly created prefab can't be assigned as a value in Properties

Prerequisites

Developer should have a script which accept Prefab as a property.

Steps to Reproduce

1. Using context menu create a prefab in the Content Browser create a prefab
2. Create an Actor on scene and attach the "script" (described above)
3. Attach prefab to the "script" on scene
4. Drop selection from Actor
5. Select Actor again and check property

Expected behavior:

5. Prefab still attached

Actual behavior:

5. Field has value "None"

Reproducibility:

100%

Versions

2025.2

Additional Information

Reset of application solves the problem