Merge pull request #4923 from MaximKhlobystov/selenium-visual-regression

bigbluebutton-html5/.babelrc

...ml5/imports/ui/components/audio/audio-modal/component.jsx

...l5/imports/ui/components/chat/chat-dropdown/component.jsx

bigbluebutton-html5/imports/ui/components/chat/component.jsx

...tml5/imports/ui/components/dropdown/content/component.jsx

...l5/imports/ui/components/dropdown/list/item/component.jsx

...tml5/imports/ui/components/modal/fullscreen/component.jsx

...ebutton-html5/imports/ui/components/nav-bar/component.jsx

...ton-html5/imports/ui/components/user-avatar/component.jsx

...orts/ui/components/user-list/chat-list-item/component.jsx

...s/ui/components/user-list/user-list-content/component.jsx

bigbluebutton-html5/package.json

...uebutton-html5/tests/webdriverio/pageobjects/home.page.js

...eference/Chrome/1920x1200/Home page viewport_viewport.png

...s/reference/Chrome/1920x1200/Join Audio modal_element.png

...eference/Chrome/1920x1200/Public chat closes_viewport.png

...nshots/reference/Chrome/1920x1200/Public chat_element.png

...s/reference/Chrome/1920x1200/Userlist closes_viewport.png

...reenshots/reference/Chrome/1920x1200/Userlist_element.png

...port with both userlist and public chat open_viewport.png