add audio logs (join/leave/mute/unmute) / fix lint issues

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

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

...ts/ui/components/breakout-join-confirmation/component.jsx

...ts/ui/components/breakout-join-confirmation/container.jsx

...uebutton-html5/imports/ui/components/user-list/service.js

...list-content/user-participants/user-options/container.jsx

...uebutton-html5/imports/ui/services/audio-manager/index.js