[WIP] Remove underscore dependency for buildComments function

[Copilot]

Thanks for asking me to work on this. I will get started on it and keep this PR's description up to date as I form a plan and make progress.

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This section details on the original issue you should resolve

<issue_title>Ref: remove underscore dependency</issue_title>
<issue_description>Remove underscore dependency for this function:

EpComments.prototype.buildComments = function (commentsData) {
  const comments =
    _.map(commentsData, (commentData, commentId) => this.buildComment(commentId, commentData.data));
  return comments;
};

TO

EpComments.prototype.buildComments = function (commentsData) {
  const comments = [];
  for (const commentId in commentsData) {
      if (!Object.hasOwn(commentsData, commentId)) {
          const newComment = this.buildComment(commentId, commentData.data);
          comments.push(newComment)
      }
  }
  return comments;
};

</issue_description>

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