How to reproduce:
1. Open the “FbxReference.zip” project
2. Open the “SampleScene“
3. Select the “ReferenceTest” GameObject in the Hierarchy
4. Click the Object Picker for the “Reference“ field of the “Prefab Reference“ Component
5. Observe the Object Picker window
Expected results: The available FBX Sub-Prefabs are accessible
Actual results: Only the parent FBX Prefab is available from the Object Picker
Reproducible in: 2021.3.37f1, 2022.3.24f1, 2023.2.18f1, 6000.0.0b14
Reproduced on: Windows 11 Pro (23H2), macOS 14.4.1 (By reporter)
Not reproduced on: No other environment tested
Notes:
- The FBX sub-Prefabs can be dragged on the field from the Project window
- Regular Prefabs can be accessed through the Object Picker window