Use ES module build of react-router-dom (#5264)

app/javascript/mastodon/features/compose/components/search_results.js

@@ -3,7 +3,7 @@ import ImmutablePropTypes from 'react-immutable-proptypes';
 import { FormattedMessage } from 'react-intl';
 import AccountContainer from '../../../containers/account_container';
 import StatusContainer from '../../../containers/status_container';
-import Link from 'react-router-dom/Link';
+import { Link } from 'react-router-dom';
 import ImmutablePureComponent from 'react-immutable-pure-component';
 
 export default class SearchResults extends ImmutablePureComponent {