Window::get_mouse_pos with mode set to MouseMode::Discard returns last obtained location instead of None

[iyicanme]

This occurs on Fedora 39 running Wayland 1.22. I get the feeling that this is not unexpected from the few other Wayland related issues. I just wanted to document the situation.

[emoon]

Thanks! Yeah, there are many Wayland issues currently :/ I will need to tackle them one day