Reproduction steps:
1. Open the attached “DragonTest” project
2. Select “Assets/UI/PanelSettings/MainMenuPanelSettings.asset”
3. In the Inspector Window observe the Scale Mode Parameters

Expected result: Scale Mode Parameters match the selected Scale Mode
Actual result: Scale Mode Parameters match “Constant Pixel Size” Scale Mode

Reproducible with: 2023.2.0a9, 2023.2.0a13
Not reproducible with: 2021.3.24f1, 2022.2.18f1, 2023.1.0b15, 2023.2.0a8
Could not test with: 2020.3.47f1 (UI ToolKit package multiple errors)

Reproducible on: Intel MacOS 13.3.1

Note: Selecting a different Scale Mode and selecting the desired Scale Mode will show the matching parameters but the bug will reappear after reselecting the MainMenuPanelSettings.asset