How to reproduce:
1. Download and open the attached project
2. Build the project for iOS
3. In the Xcode project navigator, select "UnityData" > "sphere"
Expected Result: All of the slots are automatically filled up
Actual Result: All of the slots are not automatically filled up
Reproducible with: 2020.3.45f1, 2021.3.18f1, 2022.2.6f1, 2023.1.0b3, 2023.2.0a1