Merge pull request #9851 from KDSBrowne/issue-9647

.../imports/ui/components/audio/audio-controls/component.jsx

.../imports/ui/components/audio/audio-controls/container.jsx

...l5/imports/ui/components/audio/audio-controls/styles.scss

...ton-html5/imports/ui/components/muted-alert/component.jsx

...utton-html5/imports/ui/components/muted-alert/styles.scss

...utton-html5/imports/ui/stylesheets/variables/palette.scss

...on-html5/imports/ui/stylesheets/variables/typography.scss

bigbluebutton-html5/package.json

bigbluebutton-html5/private/config/settings.yml

bigbluebutton-html5/private/locales/en.json