How to reproduce:
1. Create a new Unity project
2. Go to Window -> UI Toolkit -> UI Builder
3. Add any UI Elements to the Hierarchy
4. Expand the Uxml Preview and change its width so the horizontal scrollbar appears
5. Scroll the horizontal scrollbar with a gesture
Expected results: The scrolling is correct
Actual results: The scrolling is choppy and the trackpad gesture is interpreted incorrectly
Reproducible with: 2021.3.46f1, 2022.3.52f1, 6000.0.27f1, 6000.1.0a4
Reproducible on: Windows 10
Not reproducible on: No other environment tested
Note: When the vertical scrollbar is present, the movement is correct