Function useCommentThread

useCommentThread(comment: IComment | null): CommentThread | null
A comment's thread, kept current: its text, author, replies and resolved state.
Parameters
- comment: IComment | null
  The comment, or null for none (a draft that has not been posted).
Returns CommentThread | null
The thread, or null when there is no comment.
Remarks
The object keeps its identity until the comment's content, replies or resolved state changes, or the comment is deleted.
Example
```
const thread = useCommentThread(comment);
if (!thread || thread.deleted) return null;
return <p>{thread.author?.getDisplayName()}: {thread.content} ({thread.replies.length} replies)</p>;
```