ClickableNicknamesPlugin.Support new RTL behaviour in Gajim core

clickable_nicknames/clickable_nicknames.py

@@ -124,7 +124,7 @@ class Base(object):
             nick = nick.lstrip(gajim.config.get('before_nickname'))
             nicks = gajim.contacts.get_nick_list(self.chat_control.account,
                 self.chat_control.room_jid)
-            if nick not in nicks:
+            if nick[1:] not in nicks:
                 return
 
             message_buffer = self.chat_control.msg_textview.get_buffer()