Horizontal scroll reversed in Windows native builds

[aevyrie]

Describe the bug
Horizontal scrolling does not respect Windows preferences.

To Reproduce
Steps to reproduce the behavior:

1. Build a native demo on windows
2. Open the plot demo
3. Scroll horizontally and vertically
4. Do the same on the web to compare

Expected behavior
Horizontal scrolling, like vertical scrolling, should respect the "native scroll" default behavior.

Desktop (please complete the following information):

• OS: Windows 10/11

[emilk]

Duplicate: #356

[emilk]

Can you please open a winit issue on this?

[aevyrie]

Can you please open a winit issue on this?

Yes, I forgot to link these issues/PRs, my bad. I filed an issue and submitted a PR upstream: rust-windowing/winit#2101

This egui issue and PR (#966) are only useful as workarounds if the winit issue is not merged for some reason.