"Failed to display the user name" error on a comment for an answer

The user name of the comment for an answer is not displayed due to the error "Failed to display the user name".

Steps to reproduce the error:

1. Run the XWiki instance on localhost
2. Install Forums application 2.2.3
3. Create a forum
4. Add an answer
5. Add a comment to the answer

Here is the log on the console:

2022-12-04 01:56:24,630 [qtp2619171-572 - http://localhost:8080/xwiki/bin/view/Forums/testwithoutspaces/testwithoutspaces/] WARN c.x.x.a.XWiki - Failed to access document [html clean="false" wiki="false" <ul class="users"><li class="user" data-reference="xwiki:XWiki.Admin"><img class="user-avatar" src="/xwiki/bin/skin/resources/icons/xwiki/noavatar.png?cache-version=1669718818000" alt="Administrator" /><a class="user-name" href="/xwiki/bin/view/XWiki/Admin">Administrator</a></li></ul>
/html]. Root reason: [XWikiException: Error number 2 in 0: No wiki with id \\{{html clean="false" wiki="false"}} <ul class="users"><li class="user" data-reference="xwiki could be found]
2022-12-04 01:56:24,669 [qtp2619171-572 - http://localhost:8080/xwiki/bin/view/Forums/testwithoutspaces/testwithoutspaces/] WARN c.x.x.XWiki - Failed to display the user name of [html clean="false" wiki="false" <ul class="users"><li class="user" data-reference="xwiki:XWiki.Admin"><img class="user-avatar" src="/xwiki/bin/skin/resources/icons/xwiki/noavatar.png?cache-version=1669718818000" alt="Administrator" /><a class="user-name" href="/xwiki/bin/view/XWiki/Admin">Administrator</a></li></ul>
/html]. Root cause is [XWikiException: Error number 2 in 0: No wiki with id \\{{html clean="false" wiki="false"}} <ul class="users"><li class="user" data-reference="xwiki could be found]. Falling back on the user id.