SDL2 Reverts Its Wayland Preference - Goes Back To X11 Default

Back in January was the change pushed into SDL2 Git where the library prefers Wayland by default where available rather than defaulting to using X11 support. However, pushed today into SDL2 is a revert on that earlier change due to Wayland issues that the developers are more comfortable sticking to X11/XWayland by default until various Wayland problems are addressed...