Put a kde_doublek_workaround back in keyring_password

We do a menu_launch_type for kwalletmanager, so we'd better keep
a doublek workaround before that :/

Signed-off-by: Adam Williamson <awilliam@redhat.com>

tests/applications/keyring/keyring_password.pm

@@ -142,6 +142,7 @@ sub run {
     # The following routine uses different approaches on different
     # desktops.
     connect_localhost("connect");
+    kde_doublek_workaround;
     # Check that the password has been stored.
     check_stored();