normalScrollElements only for horizontal movement

### Description
I have a static container inside a section that has `overflow-x: auto` on it. It seems that I'm able to horizontally scroll on desktop with a mac mouse or trackpad, but I can't scroll horizontally on a touch device with my finger. I'm not sure if it's related to `scrollOverflow: true` or not, but I do need that option.

### Link to isolated reproduction with no external CSS / JS
https://codepen.io/lambert-velir/pen/WWMKBQ

### Steps to reproduce it
1. Open the fullpage view of the codepen on a touch device
2. Try to scroll through the green boxes

### Versions
Chrome for android
iOS Simulator on Mac