How to reproduce:
1. Create a new project
2. Install the ProBuilder package from the Package Manager (Window -> Package Management -> Package Manager)
3. In Scene view, select the ProBuilder Create Cube tool
4. In Shape Settings, set Pivot to "First Vertex"
5. Create a cube of any size in the scene using the selected tool
6. Deselect the created cube and set the sizes in Shape Settings to 1
7. Create another cube in the scene while holding the “Shift” key
8. Select the Move tool
9. Change the Tool Handle Position in Scene view to "Pivot"
10. Observe the gizmo in Scene view
Actual result: The gizmo is offset from the created cube
Expected result: The gizmo is in the middle of the created cube
Reproducible with: 6.0.5 (6000.0.0f1), 6.1.2 (6000.5.9f1)
Not reproducible with: 6.0.4 (6000.0.0f1)
Reproducible on: Windows 10 (By user), Windows 11
Not reproducible on: No other environments tested