Use the requested cursor size instead of the default cursor size

CopyImage() will scale based on the system accessibility settings automatically.

Fixes https://github.com/libsdl-org/SDL/issues/5198

src/video/windows/SDL_windowsmouse.c

@@ -153,7 +153,7 @@ WIN_CreateCursor(SDL_Surface * surface, int hot_x, int hot_y)
 
     /* The cursor returned by CreateIconIndirect does not respect system cursor size
         preference, use CopyImage to duplicate the cursor with desired sizes */
-    hcursor = CopyImage(hicon, IMAGE_CURSOR, 0, 0, LR_DEFAULTSIZE);
+    hcursor = CopyImage(hicon, IMAGE_CURSOR, surface->w, surface->h, 0);
     DestroyIcon(hicon);
 
     if (!hcursor) {