Escape the topic and its tooltip using g_markup_escape_text
Review Request #3243 — Created June 9, 2024 and submitted — Latest diff uploaded
This makes sure stuff like &'s and other pango elements are rendered verbatim instead of being treated as pango elements.
Joined a channel on my local ergo with a topic of
https://pidgin.im & https://keep.imfreedom.organd verified that the topic and its tooltip were correct.