Merge pull request #5779 from oswaldoacauan/whiteboard-fixes

bigbluebutton-html5/client/main.html

bigbluebutton-html5/imports/startup/client/base.jsx

...s/ui/components/cursor/presentation-overlay/component.jsx

...omponents/presentation/presentation-overlay/component.jsx

...ebutton-html5/imports/ui/components/whiteboard/service.js

...ard/whiteboard-overlay/pencil-draw-listener/component.jsx

...oard/whiteboard-overlay/shape-draw-listener/component.jsx

...board/whiteboard-overlay/text-draw-listener/component.jsx