Fix screen sharing on wayland with pipewire

[zoeleu]

--enable-features=WebRTCPipeWireCapturer

Fixes screensharing on Linux on Wayland.

[yavko]

--enable-features=WebRTCPipeWireCapturer

Fixes screensharing on Linux on Wayland.

I use pipewire with wayland and it doesn't work at all after using that flag lol

[reesericci]

it needs to override discord's UI and use the xdg-portal instead

[reesericci]

@matteoturini Can we get a title change to something like "Fix screen sharing on wayland with pipewire"? Just adding the flag doesn't fix anything, there needs to be a change to allow for pipewire within the code.