reconnect 方法
- String id
实现
Future<PresentationConnection> reconnect(String id) =>
    promiseToFuture<PresentationConnection>(
        JS("creates:PresentationConnection;", "#.reconnect(#)", this, id));Future<PresentationConnection> reconnect(String id) =>
    promiseToFuture<PresentationConnection>(
        JS("creates:PresentationConnection;", "#.reconnect(#)", this, id));