Moving window between displays with different UI scaling doesn't cause a re-layout

[dapetcu21]

Describe the bug
When moving the window between two screens with different DPI scaling, the font size doesn't re-scale accordingly.
As a workaround, resizing the window afterwards forces a re-layout.

To Reproduce
Steps to reproduce the behavior:

1. Open Neovide
2. Move it to a display with different DPI scaling

Expected behavior
The font size should re-adjust and the window should re-draw.

Screenshots
Higher DPI scale -> Lower DPI scale:

Lower DPI scale -> Higher DPI scale:

Desktop (please complete the following information):

• OS: Windows 10.0.19044
• Neovide Version 0.12.2
• Neovim Version 0.9.5

Please run neovide --log and paste the contents of the .log file created in the current directory here:
neovide_backtraces.log
neovide_rCURRENT.log

Additional context
Windows has some pretty weird handling of DPI awareness:
https://learn.microsoft.com/en-us/windows/win32/hidpi/setting-the-default-dpi-awareness-for-a-process
https://learn.microsoft.com/en-us/windows/win32/hidpi/high-dpi-desktop-application-development-on-windows

[fredizzimo]

It looks like Neovide reacts to scale factor changes at least on Linux Wayland. I don't have a dual monitor setup right now, so I just changed the system settings.

It's still possible that other platforms are broken, or that only moving the window to another screen works differently than the global winit scale factor event for the Window.

If you could test if it reacts to setting the scale factor from the system settings it would be good, because then there's one thing less for me to test.