Enable winit "default" feature

[JMS55]

What problem does this solve or what need does it fill?

I'm not sure why it was disabled in the first place. But enabling it brings Wayland by default, which fits in much better with my system, and is a more modern and potentially lower-latency/faster API.

What solution would you like?

Enable winit "default" feature in bevy_winit.

What alternative(s) have you considered?

If the intention was to have x11 as the default, at least add "winit/wayland-csd-adwaita" to bevy_winit's "wayland" feature, as without it, on desktops without SSD, the CSD looks pretty bad.

[VitalyAnkh]

Disabling winit default features is for reducing application size. And if any applications want some winit features, they could just enable them.

[irate-devil]

I think it's reasonable to enable Wayland by default, but unfortunately Wayland on Nvidia GPUs doesn't play nice yet with winit/wgpu.
This would need to have some fix/workaround first.

[mattfbacon]

I also would like Wayland enabled by default. It's 2023 and more and more distros are adopting Wayland by default. XWayland is a bad experience and no modern app should rely on it.

[mockersf]

a quick look at Firefox telemetry shows that wayland is around 15% of its user base

[mattfbacon]

I wonder how many are using XWayland because they didn't set MOZ_ENABLE_WAYLAND=1