Reproduction steps:
1. Open the attached “repro_IN-88035“ project
2. Open the “Assets/Bug.unity“ Scene
3. Enter the Play Mode
4. Observe how much the scroll view is scrolled after moving the mouse wheel by one tick
5. Exit the Play Mode and open the “Assets/test.uss“
6. Change the “--unity-metrics-single_line-height“ value from “1px“ to a bigger value (for example, “1000px“)
7. Enter the Play Mode again
8. Observe how much the scroll view is scrolled after moving the mouse wheel by one tick

Expected result: The scroll view is scrolled further than before
Actual result: The distance that is scrolled is the same as before

Reproducible with: 2021.3.45f1, 2022.3.52f1, 6000.0.26f1, 6000.1.0a3

Reproducible on: macOS 15.0 (Sonoma), Windows 10 (22H2)
Not reproducible on: No other environments tested

Note: Reproducible in Player