Merge pull request #8072 from prlanzarin/2.2-abort-play

...uebutton-html5/imports/api/audio/client/bridge/kurento.js

...on-html5/imports/api/screenshare/client/bridge/kurento.js

...ton-html5/imports/ui/components/screenshare/component.jsx

...rts/ui/components/video-provider/video-list/component.jsx

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

bigbluebutton-html5/imports/utils/mediaElementPlayRetry.js

...luebutton-html5/public/compatibility/kurento-extension.js