fix remaining bugs / console errors

bigbluebutton-html5/.meteor/packages

bigbluebutton-html5/.meteor/release

bigbluebutton-html5/.meteor/versions

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

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

...uebutton-html5/imports/ui/components/button/component.jsx

...ml5/imports/ui/components/chat/message-list/component.jsx

...button-html5/imports/ui/components/checkbox/component.jsx

...on-html5/imports/ui/components/error-screen/component.jsx

...-html5/imports/ui/components/loading-screen/component.jsx

...luebutton-html5/imports/ui/components/media/component.jsx

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

...rts/ui/components/nav-bar/settings-dropdown/component.jsx

...n/presentation-toolbar/zoom-tool/holdButton/component.jsx

...mponents/presentation/presentation-uploader/component.jsx

...ui/components/settings/submenus/application/component.jsx

...omponents/settings/submenus/closed-captions/component.jsx

...ui/components/settings/submenus/data-saving/component.jsx

...ebutton-html5/imports/ui/components/tooltip/component.jsx

...mponents/user-list/chat-list-item/chat-icon/component.jsx