fix layout broken after opne close shared notes

bigbluebutton-html5/imports/startup/client/base.jsx

.../ui/components/actions-bar/actions-dropdown/component.jsx

...on-html5/imports/ui/components/captions/pad/component.jsx

.../imports/ui/components/captions/writer-menu/component.jsx

bigbluebutton-html5/imports/ui/components/note/component.jsx

bigbluebutton-html5/imports/ui/components/note/service.js

bigbluebutton-html5/imports/ui/components/poll/component.jsx

...ents/user-list/user-list-content/user-notes/component.jsx