How to reproduce:
1. Open the user's attached "Visualization" project
2. Select the "Glass" and "Glowy Blue" (or "Glowy Orange") Materials in the Project Browser

Expected result: No warning is thrown in the Console log
Actual result: Multiple instances of "Unable to find style 'Multiple Different Values' in skin 'DarkSkin' Layout" warnings are thrown in the Console log

Reproducible with: 10.8.1 (2020.3.32f1), 12.1.6 (2021.2.16f1), 13.1.7 (2022.1.0b13), 14.0.1 (2022.2.0a8)
Couldn't test with: 7.7.1 (2019.4.37f1) (downgrading errors)

Note:
Not reproducible, when:
- Select the "Glass" Material with a new Material having the same settings as the "Glow Blue" (or "Glow Orange") Material. However, after reopening the project and following the reproduction steps, the warning appeared
- Changing the Surface Type of the "Glass" Material