updated document upload according to fresh api

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

@@ -10,18 +10,18 @@ import 'package:pweb/utils/error/snackbar.dart';
 
 import 'package:pweb/generated/i18n/app_localizations.dart';
 
-
 Future<void> downloadPaymentAct(
-  BuildContext context,
-  String paymentRef, {
-  String? operationRef,
+  BuildContext context, {
+  required String gatewayService,
+  required String operationRef,
 }) async {
   final organizations = context.read<OrganizationsProvider>();
   if (!organizations.isOrganizationSet) {
     return;
   }
-  final trimmed = paymentRef.trim();
-  if (trimmed.isEmpty) {
+  final gateway = gatewayService.trim();
+  final operation = operationRef.trim();
+  if (gateway.isEmpty || operation.isEmpty) {
     return;
   }
 
@@ -29,10 +29,10 @@ Future<void> downloadPaymentAct(
   await executeActionWithNotification(
     context: context,
     action: () async {
-      final file = await PaymentDocumentsService.getAct(
+      final file = await PaymentDocumentsService.getOperationDocument(
         organizations.current.id,
-        trimmed,
-        operationRef: operationRef,
+        gateway,
+        operation,
       );
       await downloadFile(file);
     },