scansion: Fix tests failing due to lack of 'publisher'
publisher is no longer included by default in broadcasts, but configured via
pubsub#itemreply instead.
--- a/spec/scansion/pep_nickname.scs Wed Mar 22 16:53:36 2023 +0000
+++ b/spec/scansion/pep_nickname.scs Thu Mar 23 14:15:33 2023 +0000
@@ -58,7 +58,7 @@
<message type="headline" from="romeo@localhost">
<event xmlns="http://jabber.org/protocol/pubsub#event">
<items node="http://jabber.org/protocol/nick">
- <item id="current" publisher="${Romeo's JID}">
+ <item id="current">
<nickname xmlns="http://jabber.org/protocol/nick"/>
</item>
</items>