Patch-Klarna_Backend-refund-description-max-length.patch

--- Model/Api/Ordermanagement.php 2021-12-02 18:48:17.886479481 +0300
+++ Model/Api/Ordermanagement.php 2021-12-02 19:04:13.482519624 +0300
@@ -386,7 +386,7 @@
         }

         if ($creditMemo->getCustomerNote() !== null) {
-            $data['description'] = $creditMemo->getCustomerNote();
+            $data['description'] = (strlen($creditMemo->getCustomerNote()) > 255) ? substr($creditMemo->getCustomerNote(),0,252).'...' : $creditMemo->getCustomerNote();
         }

         $data = $this->prepareOrderLines($data, $creditMemo);