hotfix accept bug

https://github.com/webrtc-rs/webrtc/issues/614

src/connect.rs

@@ -151,7 +151,15 @@ impl LanMouseConnection {
                         }
                         tokio::time::sleep(Duration::from_millis(500)).await;
                         let mut buf = [0u8; MAX_EVENT_SIZE];
-                        conn.recv(&mut buf).await;
+                        if let Err(e) = conn.recv(&mut buf).await {
+                            log::warn!("recv(): client ({handle}) @ {addr} connection closed: {e}");
+                            conns.lock().await.remove(&addr);
+                            server.set_active_addr(handle, None);
+                            let active: Vec<SocketAddr> =
+                                conns.lock().await.keys().copied().collect();
+                            log::info!("active connections: {active:?}");
+                            break;
+                        }
                     }
                 });
             }