Update smithay, with xwayland shell, Cow, etc.

src/wayland/handlers/pointer_constraints.rs

@@ -16,9 +16,7 @@ impl PointerConstraintsHandler for State {
         // XXX region
         if pointer
             .current_focus()
-            .and_then(|x| x.wl_surface())
-            .as_ref()
-            == Some(surface)
+            .map_or(false, |x| x.wl_surface().as_deref() == Some(surface))
         {
             with_pointer_constraint(surface, pointer, |constraint| {
                 constraint.unwrap().activate();