How to reproduce:
1. Open the attached “IN-146697” project
2. In the menu bar, navigate to Tools > Setup Addresable Test Data
3. In the Project tab, select the “GameObject” prefab
4. In the Inspector, locate the “Addresable Asset” field
5. Click the “target” picker icon to open Asset picker
6. Observe the Editor
Actual result: The Editor hangs for a couple seconds while Asset picker loads icons for the Assets, Asset picker window is completely white
Expected result: The Editor is responsive while the icons are loaded asynchronously
Reproducible with: 6000.0.0f1, 6000.3.19f1, 6000.5.2f1, 6000.6.0b2, 6000.7.0a1
Reproducible on: Windows 11
Not reproducible on: No other environments tested