redesigned payment page + a lot of fixes

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

@@ -0,0 +1,33 @@
+import 'package:flutter/foundation.dart';
+
+import 'package:pshared/models/payment/operation.dart';
+import 'package:pshared/provider/payment/payments.dart';
+
+import 'package:pweb/utils/report/operations.dart';
+import 'package:pweb/utils/report/payment_mapper.dart';
+
+
+class RecentPaymentsController extends ChangeNotifier {
+  PaymentsProvider? _payments;
+  List<OperationItem> _recent = const [];
+
+  List<OperationItem> get recentOperations => _recent;
+  bool get isLoading => _payments?.isLoading ?? false;
+  Exception? get error => _payments?.error;
+
+  void update(PaymentsProvider provider) {
+    if (!identical(_payments, provider)) {
+      _payments = provider;
+    }
+    _rebuild();
+  }
+
+  void _rebuild() {
+    final operations = (_payments?.payments ?? const [])
+        .map(mapPaymentToOperation)
+        .toList();
+    _recent = sortOperations(operations).take(5).toList();
+    notifyListeners();
+  }
+
+}