How to reproduce:
1. Create a new Unity project using the Universal 2D template
2. Go to Window -> 2D -> Tile Palette
3. Observe the toolbar icons and the palette controls
4. Observe the results
Expected results: All icons in the Tile Palette window render at a consistent, uniform sharpness
Actual results: Some icons are crisp while others are blurry and pixelated, inconsistent with each other
Reproducible with: 6000.7.0a6
Reproducible on: macOS Tahoe 26 (M1) with the native monitor
Not reproducible on: No other environment tested