fix: check invoice address for guest orders too

src/QUI/ERP/Order/Order.php

@@ -117,21 +117,12 @@ public function createInvoice($PermissionUser = null)
         // invoice creation is only possible with an address
         $InvoiceAddress = $this->getInvoiceAddress();
 
-        if (QUI::getPackageManager()->isInstalled('quiqqer/order-guestorder')) {
-            $User = $InvoiceAddress->getUser();
-            $Guest = new QUI\ERP\Order\Guest\GuestOrderUser();
-
-            if ($User->getId() === $Guest->getId()) {
-                return;
-            }
-        }
-
         if (
             $InvoiceAddress->getName() === ''
-            && $InvoiceAddress->getAttribute('street_no') === ''
-            && $InvoiceAddress->getAttribute('zip') === ''
-            && $InvoiceAddress->getAttribute('city') === ''
-            && $InvoiceAddress->getAttribute('country') === ''
+            || $InvoiceAddress->getAttribute('street_no') === ''
+            || $InvoiceAddress->getAttribute('zip') === ''
+            || $InvoiceAddress->getAttribute('city') === ''
+            || $InvoiceAddress->getAttribute('country') === ''
         ) {
             throw new QUI\Exception([
                 'quiqqer/order',