Fix xwayland wants_floating logic

sway/desktop/xwayland.c

@@ -239,7 +239,7 @@ static bool wants_floating(struct sway_view *view) {
 
 	struct wlr_xwayland_surface_size_hints *size_hints = surface->size_hints;
 	if (size_hints != NULL &&
-			size_hints->min_width != 0 && size_hints->min_height != 0 &&
+			size_hints->min_width > 0 && size_hints->min_height > 0 &&
 			(size_hints->max_width == size_hints->min_width ||
 			size_hints->max_height == size_hints->min_height)) {
 		return true;