How to reproduce:
1. Create a new Unity project and install the "Platform Toolkit" package
2. Go to Window -> Platform Toolkit -> Play Mode Controls
3. Go to "Test Account Data" and select the account
4. Under the "Achievements", select any achievement
5. Observe the results

Expected results: The selection on the achievement is visible
Actual results: The selection on the achievement is not visible because both account and achievement selections are blue

Reproducible with: 6000.3.10f1, 6000.4.0b11, 6000.5.0a8

Reproducible on: Windows 11 
Not reproducible on: No other environment tested

Note: Also reproducible on the "Play Mode Controls Settings" in the Inspector