Merge pull request #7045 from Tainan404/issue-6919

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

...tton-html5/imports/ui/components/banner-bar/component.jsx

...tton-html5/imports/ui/components/banner-bar/container.jsx

...button-html5/imports/ui/components/banner-bar/styles.scss

...on-html5/imports/ui/components/join-handler/component.jsx

...ebutton-html5/imports/ui/components/nav-bar/component.jsx

...ml5/imports/ui/components/notifications-bar/component.jsx

...ml5/imports/ui/components/notifications-bar/container.jsx