Chore: Restrict `ChatMessages API` - Phase 2 (#27457)

apps/meteor/app/threads/client/flextab/dropzone.ts

apps/meteor/app/threads/client/flextab/thread.html

apps/meteor/app/threads/client/flextab/thread.ts

apps/meteor/app/threads/client/threads.css

apps/meteor/app/ui-master/client/body.js

apps/meteor/app/ui-message/client/message.html

apps/meteor/app/ui-message/client/message.js

apps/meteor/app/ui-message/client/messageBox/messageBox.html

apps/meteor/app/ui-message/client/messageBox/messageBox.ts

...eor/app/ui-message/client/messageBox/messageBoxActions.ts

apps/meteor/app/ui-utils/client/lib/MessageAction.ts

apps/meteor/app/ui-utils/client/lib/messageActionDefault.ts

apps/meteor/app/ui-utils/client/lib/messageBox.ts

apps/meteor/app/ui-utils/client/lib/popover.js

apps/meteor/app/ui-utils/client/lib/readMessages.ts

apps/meteor/app/ui-utils/lib/MessageTypes.ts

apps/meteor/app/ui-vrecord/client/VRecDialog.js

apps/meteor/app/ui-vrecord/client/vrecord.js

apps/meteor/app/ui/client/index.ts

apps/meteor/app/ui/client/lib/ChatMessages.ts