Add order status of checkout_checkout

commerce_billy_pdf_add_order_status_checkout_checkout.patch

diff --git a/modules/commerce_billy_pdf/commerce_billy_pdf.module b/modules/commerce_billy_pdf/commerce_billy_pdf.module
index bb9a13d..8af41b0 100644
--- a/modules/commerce_billy_pdf/commerce_billy_pdf.module
+++ b/modules/commerce_billy_pdf/commerce_billy_pdf.module
@@ -49,7 +49,7 @@ function commerce_billy_pdf_view_access($order) {
   if ($order->status == 'canceled' && user_access('administer commerce_order entities')) {
     return TRUE;
   }
-  elseif ($order->status != 'invoiced') {
+  elseif ($order->status != 'invoiced' && $order->status != 'checkout_checkout') {
     return FALSE;
   }
   return commerce_order_customer_order_view_access($order);