get isRelevantList() {
      if (!self.commentsKey || !self.targetCommentsKey) return false;
      if (Object.keys(self.commentsKey).length !== Object.keys(self.targetCommentsKey).length) return false;
      return Object.keys(self.commentsKey).every((key) => {
        return self.commentsKey[key] === self.targetCommentsKey[key];
      });
    }
Indicates if the currently loaded list of comments is related to the currently displaying annotation.
@returns {boolean}