Merge pull request #8708 from daminebenq/adding-single-user-webcam-test

...n-html5/imports/ui/components/video-preview/component.jsx

...s/ui/components/video-provider/video-button/component.jsx

...s/video-provider/video-list/video-list-item/component.jsx

bigbluebutton-html5/tests/puppeteer/.gitignore

bigbluebutton-html5/tests/puppeteer/core/page.js

bigbluebutton-html5/tests/puppeteer/webcam.test.js

bigbluebutton-html5/tests/puppeteer/webcam/elements.js

bigbluebutton-html5/tests/puppeteer/webcam/share.js

bigbluebutton-html5/tests/puppeteer/webcam/util.js