Pagination in comments does not retrieve more comments

• Type: Bug
• Status: Closed
• Resolution: Fixed
• Affects Version/s: Master
• Fix Version/s: 7.1.X, Master
• Component/s: Comments
• Labels: None
• Fix Priority: 3
• Git Pull Request: https://github.com/brianchandotcom/liferay-portal/pull/56554

Steps to reproduce the issue:

1. Add Blogs portlet to a site.
2. Add a Blog Entry
3. Add 40 or 50 comments to the blog entry.
4. You will see a "More Comments" button at the end of the comments.
5. Click the button. 

Expected behaviour: more comments are added to the tread.

Current behaviour: console throws an exception.