How to reproduce:
1. Create a new Unity project and install the "In-App Purchases" package
2. Enable "In-App Purchases"
3. Scroll down to the "Revenue Validation" and observe the error message

Expected results: The error matches the Editor design guidelines
Actual results: The error is not consistent with other Editor error

Reproducible with: 5.1.0, 5.1.1, 5.1.2 (6000.3.10f1, 6000.4.0b11, 6000.5.0a8

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