How to reproduce:
1. Create a new Unity project and install the Cinemachine package
2. In the Hierarchy, right-click -> Cinemachine -> Cinemachine Camera
3. In the Inspector, navigate to the "Tracking Target" under the "Cinemachine Camera" Component
4. Observe the "Gear" button

Expected results: The button looks sharp
Actual results: The button looks corrupted

Reproducible with: 3.1.3 (6000.2.0b2)

Reproducible on: Windows 11, macOS Sequoia 15.4 (M1) with 2k monitor
Not reproducible on: macOS Sequoia 15.4 (M1) with 4k monitor