Make %w and %# work for bell notifications
Since commit c3982cfb, bell notifications include the display title, in addition to the name title, to help identifying which tab the notification came from. Unfortunately, %w (which can be quite useful in identifying tabs) and %# weren't working for this case, neither for the DBUS query:
qdbus $KONSOLE_DBUS_SERVICE $KONSOLE_DBUS_SESSION org.kde.konsole.Session.title 1