Merge pull request #6237 from BobakOftadeh/user-manage-C

bigbluebutton-html5/imports/api/meetings/server/methods.js

...imports/api/meetings/server/methods/toggleLockSettings.js

.../meetings/server/methods/toggleWebcamsOnlyForModerator.js

...html5/imports/api/meetings/server/modifiers/addMeeting.js

bigbluebutton-html5/imports/startup/server/logger.js

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

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

.../imports/ui/components/audio/audio-controls/container.jsx

...on-html5/imports/ui/components/lock-viewers/component.jsx

...on-html5/imports/ui/components/lock-viewers/container.jsx

...tton-html5/imports/ui/components/lock-viewers/styles.scss

...list-content/user-participants/user-options/component.jsx

...list-content/user-participants/user-options/container.jsx

bigbluebutton-html5/private/locales/en.json