multiple payout page and small fixes

frontend/pweb/lib/pages/dashboard/payouts/summary/row.dart

@@ -7,18 +7,21 @@ import 'package:pshared/utils/currency.dart';
 class PaymentSummaryRow extends StatelessWidget {
   final String Function(String) labelFactory;
   final Asset? asset;
+  final String? value;
   final TextStyle? style;
 
   const PaymentSummaryRow({
     super.key, 
     required this.labelFactory, 
     required this.asset,
+    this.value,
     this.style,
   });
 
   @override
-  Widget build(BuildContext context) => Text(
-    labelFactory(asset == null ? 'N/A' : assetToString(asset!)), 
-    style: style,
-  );
+  Widget build(BuildContext context) {
+    final formatted = value ??
+        (asset == null ? 'N/A' : assetToString(asset!));
+    return Text(labelFactory(formatted), style: style);
+  }
 }