fix Windows: skip GLFW X11 platform hint on native Windows

The X11 forced platform hint is only needed for WSLg. On native
Windows it causes "The requested platform is not supported" error.

Author: brendancol

rtxpy/engine.py

@@ -5548,7 +5548,8 @@ def run(self, start_position: Optional[Tuple[float, float, float]] = None,
         # --- GLFW window creation ---
         # Force X11 on GLFW 3.4+ to get window decorations (title bar with
         # min/max/close).  WSLg's Wayland compositor doesn't provide them.
-        if hasattr(glfw, 'PLATFORM'):
+        # Skip on native Windows where X11 is not available.
+        if os.name != 'nt' and hasattr(glfw, 'PLATFORM'):
             glfw.init_hint(glfw.PLATFORM, glfw.PLATFORM_X11)
         if not glfw.init():
             raise RuntimeError("Failed to initialise GLFW")