Merge pull request #12410 from ramonlsouza/fix-useless-conditional-alerts

...l5/imports/api/users/server/handlers/validateAuthToken.js

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

...ist/time-window-chat-item/message-chat-item/component.jsx

.../user-participants/user-list-item/user-name/component.jsx

...ui/components/whiteboard/whiteboard-toolbar/component.jsx