Get real jid of the chatcontrol when we talk to specific ressource. This...

Get real jid of the chatcontrol when we talk to specific ressource. This prevent systray icon to be stuck to
incomming message in some rare case (new message window + auto_open). Thanks beerfan for spoting this rare
case :)

src/chat_control.py

@@ -636,7 +636,10 @@ class ChatControlBase(MessageControl):
 	def on_conversation_vadjustment_value_changed(self, widget):
 		if not self.nb_unread:
 			return
-		jid = self.contact.jid
+		if self.resource:
+			jid = self.contact.get_full_jid()
+		else:
+			jid = self.contact.jid
 		if self.conv_textview.at_the_end() and \
 				self.parent_win.get_active_control() == self and \
 				self.parent_win.window.is_active():