+source +destination in payments

frontend/pweb/lib/controllers/payments/details.dart

@@ -89,7 +89,6 @@ class PaymentDetailsController extends ChangeNotifier {
     if (trimmed.isEmpty) return null;
     for (final payment in payments) {
       if (payment.paymentRef == trimmed) return payment;
-      if (payment.idempotencyKey == trimmed) return payment;
     }
     return null;
   }

frontend/pweb/lib/utils/report/payment_mapper.dart

@@ -19,15 +19,9 @@ OperationItem mapPaymentToOperation(Payment payment) {
       : parseMoneyAmount(settlement.amount);
   final toCurrency = settlement?.currency ?? currency;
 
-  final payId =
-      _firstNonEmpty([payment.paymentRef, payment.idempotencyKey]) ?? '-';
+  final payId = _firstNonEmpty([payment.paymentRef]) ?? '-';
   final name =
-      _firstNonEmpty([
-        payment.lastQuote?.quoteRef,
-        payment.paymentRef,
-        payment.idempotencyKey,
-      ]) ??
-      '-';
+      _firstNonEmpty([payment.lastQuote?.quoteRef, payment.paymentRef]) ?? '-';
   final comment =
       _firstNonEmpty([
         payment.failureReason,