ui: fix contest navigation bar

packages/ui-default/api.ts

@@ -2,6 +2,7 @@ export * from './utils';
 export { default as Notification } from './components/notification';
 export * from './components/dialog';
 export * as bus from './bus';
+export { default as AnsiUp } from 'ansi_up';
 export { default as loadMonaco } from './components/monaco/loader';
 export * as redux from 'react-redux';
 export * from './components/zipDownloader';