How to reproduce:
1. Open the user's attached project and Scenes/SampleScene scene
2. Select Window/Asset Management/Addressables/Groups and set Play Mode Script to Use Existing Build
3. Select Build/New Build/Default Build Script
4. Enter the Play mode and observe the message in the Console window
5. Exit the Play mode
6. Set Play Mode Script to Use Asset Database
7. Select Build/New Build/Default Build Script
8. Enter the Play mode
9. Observe the message in the Console window

Expected result: the logged assets and their types are the same with both Play Mode Scripts
Actual result: when using Use Asset Database, returned types are System.Object and suzanne.fbx is only displayed once

Reproducible with: 1.16.10 - 1.18.9 (2018.4.36f1, 2019.4.28f1, 2020.3.11f1, 2021.1.11f1, 2021.2.0a20)