fix: avoid losing the whole proxy server when closing a single client

Author: DimitarTachev

lib/device-sockets/ios/app-debug-socket-proxy-factory.ts

@@ -158,8 +158,8 @@ export class AppDebugSocketProxyFactory extends EventEmitter implements IAppDebu
 
 			webSocket.on("close", () => {
 				this.$logger.info('Frontend socket closed!');
+				appDebugSocket.unpipe(packets);
 				packets.destroy();
-				device.destroyDebugSocket(appId);
 				if (!this.$options.watch) {
 					process.exit(0);
 				}