Quality settings default drop-down icons are very small and hardly visible

Steps to Repro:
1. Create a new Project
2. Edit > Project Settings > Quality
3. Observe default icons

Actual Result:
Quality dropdown icons are very small

Expected Result:
Icons should be easily visible

Environment:
Windows and Mac

Occurring with:
2019.3.0a4, 2019.3.0a3

Working with:
2019.3.0a2, 2019.2.0b4