Reordering the GameObjects in the Hierarchy V2 shows different placement outline depending on the mouse position

How to reproduce:
1. Create a new Unity project
2. In the Hierarchy, drag any GameObject
3. Reorder the GameObjects and move the mouse slightly below any GameObject
4. Observe the results

Expected results: The outline is the same size
Actual results: The outline differs based on the mouse placement

Reproducible with: 6000.3.19f1, 6000.5.3f1, 6000.6.0b2, 6000.7.0a2

Reproducible on: macOS Tahoe 26 (M1)
Not reproducible on: No other environment tested