Multiple UI fixes and improvements (#4572)

Reverting switch teams code

Fixing change css function

webapp/components/sidebar_right_menu.jsx

@@ -68,6 +68,7 @@ export default class SidebarRightMenu extends React.Component {
     getFlagged(e) {
         e.preventDefault();
         getFlaggedPosts();
+        this.hideSidebars();
     }
 
     componentDidMount() {