Replace react-router-scroll to react-router-scroll-4 (#5568)

app/javascript/mastodon/features/blocks/index.js

@@ -3,7 +3,7 @@ import { connect } from 'react-redux';
 import ImmutablePropTypes from 'react-immutable-proptypes';
 import PropTypes from 'prop-types';
 import LoadingIndicator from '../../components/loading_indicator';
-import { ScrollContainer } from 'react-router-scroll';
+import { ScrollContainer } from 'react-router-scroll-4';
 import Column from '../ui/components/column';
 import ColumnBackButtonSlim from '../../components/column_back_button_slim';
 import AccountContainer from '../../containers/account_container';