Chore: Migrate modules related to `room` template to TypeScript (#25881)

apps/meteor/app/api/server/lib/getServerInfo.ts

...or/app/discussion/client/createDiscussionMessageAction.ts

apps/meteor/app/emoji/lib/rocketchat.js

.../meteor/app/livechat/client/views/app/livechatReadOnly.js

...eteor/app/livechat/client/views/app/tabbar/visitorInfo.js

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

apps/meteor/app/models/client/models/ChatMessage.js

apps/meteor/app/models/client/models/ChatMessage.ts

apps/meteor/app/models/index.ts

apps/meteor/app/otr/client/OTRRoom.ts

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

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

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

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

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

apps/meteor/app/threads/client/lib/normalizeThreadTitle.ts

apps/meteor/app/threads/client/messageAction/follow.ts

apps/meteor/app/threads/client/messageAction/unfollow.ts

apps/meteor/app/threads/client/upsert.js

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