fix(storybook): Fixing broken UI Storybook components' pages (#3455)

platform/ui/src/components/ExpandableToolbarButton/ExpandableToolbarButton.tsx

@@ -2,7 +2,8 @@ import React from 'react';
 import PropTypes from 'prop-types';
 import classnames from 'classnames';
 
-import { IconButton, Icon } from '../';
+import IconButton from '../IconButton';
+import Icon from '../Icon';
 
 import './ExpandableToolbarButton.css';