In
801792e4dc Rename Str2html to SanitizeHTML and clarify its behavior (followup)
the replacement was incorrect because
c9d0e63c20 Remove unnecessary "Str2html" modifier from templates
was not applied and Str2html should have not been present in the first
place.
Fixes: https://codeberg.org/forgejo/forgejo/issues/3554
(cherry picked from commit 337f4f9d87739990bcc60a9f0ecd03c74c49bc17)