Fix counter in breakout notification

...ports/api/2.0/breakouts/server/handlers/breakoutClosed.js

...imports/api/2.0/breakouts/server/modifiers/addBreakout.js

...orts/api/2.0/breakouts/server/modifiers/clearBreakouts.js

...tton-html5/imports/api/2.0/breakouts/server/publishers.js

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

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

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