Merge pull request #6838 from gustavotrott/quick-poll-implement

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

...ton-html5/imports/ui/components/actions-bar/component.jsx

...ton-html5/imports/ui/components/actions-bar/container.jsx

.../components/actions-bar/quick-poll-dropdown/component.jsx

...utton-html5/imports/ui/components/presentation/service.js

...tton-html5/imports/ui/components/presentation/styles.scss

bigbluebutton-html5/private/locales/en.json