How to reproduce:
1. Create a new Unity Project
2. In the project window, right-click -> Create -> Shader Graph -> Blank Shader Graph and open it
3. Hover on the "+" sign button in the Blackboard
4. Observe the "+" sign position within the button
Expected results: The "+" sign is centered
Actual results: The "+" sign is not centered
Reproducible with: 2022.3.56f1, 6000.0.34f1, 6000.1.0b2
Reproducible on: macOS Sequoia 15.1 (M1)
Not reproducible on: No other environement tested