Merge branch 'develop'

backend/controllers/InvoiceController.php

@@ -65,7 +65,7 @@ class InvoiceController extends DocumentController
 
         $invoice = $invoiceManager->findOneInvoiceById($idInvoice);
 
-        if ($invoice && $invoice->isStatusDraft()) {
+        if ($invoice && $invoiceManager->isStatusDraft($invoice)) {
             Order::updateAll([
                 'id_invoice' => null
             ], [