"They must often change, who would be constant in happiness or wisdom" - Confucius
Introduce the OBS_NIX_PLATFORM_WAYLAND enum value, and try to detect it when OBS Studio runs by looking into the platform name.
This is a Unix-specific code. The only available platforms at this point are the X11/GLX and X11/EGL platforms. The concept of a platform display is also introduced. Again, the only display that is set right now is the X11 display.
