Remove the resource from the sender in findUser, as it tries to match…

… sender with JabberId.

ZenPacks/chudler/xmppBot/Jabber/plugins/ack.py

@@ -81,6 +81,12 @@ def acknowledge(self, client, adapter, dryrun, verbose, events, sender, log):
             client.sendMessage(message, sender, messageType)
 
   def findUser(self, sender, adapter):
+
+        # remove the resource from the sender
+        if '/' in sender:
+            sender = sender.split('/')[0]
+
+
         for user in adapter.userSettings():
             try:
                 jabberProperty = user.getProperty('JabberId').lower()