Korrektur Buchungstexte bei Auslagenerstattungen

app/Domains/CostUnit/Controllers/ExportController.php

@@ -93,7 +93,7 @@ class ExportController extends CommonController {
                     'amount' => $invoice->amount,
                     'recipient_name' => $invoice->contact_bank_owner,
                     'recipient_iban' => $invoice->contact_bank_iban,
-                    'payment_purpose' => $invoice->payment_purpose ?? 'Auslagenerstattung Rechnungsnummer ' . $invoice->invoice_number,
+                    'payment_purpose' => $invoice->paymentPurposeText(),
                 ]);
             }
         }