Functional parity with linux

lib/ruin_app/example/05_async_runtime_io.rs

@@ -268,6 +268,7 @@ fn RuntimeIoExample(server_addr: SocketAddr) -> impl IntoView {
                                                     };
                                                     eprintln!("example05: {message}");
                                                     let _ = save_status.set(Some(message));
+                                                    flush_reactive_updates();
                                                 }
                                             }));
                                         }