When there is a wrapper element whose range matches the range of
a comment, any replies will now be added outside of that wrapper,
instead of directly after the comment (inside the wrapper).
Bug: T250126
Change-Id: I6b42c4db019ae998e91eebd324f9cbd2aa791b4f
This method shouldn't be required on the server. Leave comments
relating to it in addListItem so JS & PHP can be kept in sync.
Change-Id: I849fac660faf6e750272c20776f96b9250f96b1b