ui(dropdown menu): Added DropdownMenu component in ui-next (#4387)

platform/ui-next/src/components/StudyBrowserViewOptions/StudyBrowserViewOptions.tsx

@@ -1,10 +1,6 @@
 import React from 'react';
 
-export default function StudyBrowserViewOptions({
-  tabs,
-  onSelectTab,
-  activeTabName,
-}: withAppTypes) {
+export function StudyBrowserViewOptions({ tabs, onSelectTab, activeTabName }: withAppTypes) {
   const handleTabChange = (tabName: string) => {
     onSelectTab(tabName);
   };

platform/ui-next/src/components/StudyBrowserViewOptions/index.ts

@@ -1,3 +1,3 @@
-import StudyBrowserViewOptions from './StudyBrowserViewOptions';
+import { StudyBrowserViewOptions } from './StudyBrowserViewOptions';
 
-export default StudyBrowserViewOptions;
+export { StudyBrowserViewOptions };