feat: finalize voucher handling and discount display in summary and overview

src/Form/Service/ParticipantPurchaseVoucherFieldHandler.php

@@ -52,21 +52,17 @@ class ParticipantPurchaseVoucherFieldHandler extends AbstractParticipantFieldHan
 
         $voucherCode = $this->getFieldValue($submittedData, $this->getFieldName());
 
+        // Clear validated voucher if code is empty
         if (null === $voucherCode || '' === trim($voucherCode)) {
+            $participant->validatedPurchaseVoucher = null;
+
             return;
         }
 
-        // Validate voucher to check if it's goodwill type
+        // Validate voucher and store result
         $result = $this->voucherValidationService->validatePurchaseVoucher($voucherCode);
 
-        // Only process valid vouchers
-        if (false === $result->isValid || null === $result->voucher) {
-            return;
-        }
-
-        // Check if this is a goodwill voucher
-        if (true === $result->voucher->isGoodwill()) {
-            $participant->hasGoodwillVoucher = true;
-        }
+        // Store validated voucher (null if invalid)
+        $participant->validatedPurchaseVoucher = $result->isValid ? $result->voucher : null;
     }
 }