redisign multiple payouts for better ux and small fixes

frontend/pweb/lib/utils/payment/dropdown.dart

@@ -1,53 +0,0 @@
-import 'package:flutter/material.dart';
-
-import 'package:pshared/models/payment/type.dart';
-import 'package:pshared/models/payment/wallet.dart';
-
-import 'package:pweb/pages/payment_methods/icon.dart';
-
-import 'package:pweb/generated/i18n/app_localizations.dart';
-
-
-class PaymentMethodDropdown extends StatelessWidget {
-  final List<Wallet> methods;
-  final ValueChanged<Wallet> onChanged;
-  final Wallet? selectedMethod;
-
-  const PaymentMethodDropdown({
-    super.key,
-    required this.methods,
-    required this.onChanged,
-    this.selectedMethod,
-  });
-
-  @override
-  Widget build(BuildContext context) => DropdownButtonFormField<Wallet>(
-    dropdownColor: Theme.of(context).colorScheme.onSecondary,
-    initialValue: _getSelectedMethod(),
-    decoration: InputDecoration(
-      labelText: AppLocalizations.of(context)!.whereGetMoney,
-      border: OutlineInputBorder(borderRadius: BorderRadius.circular(8)),
-    ),
-    items: methods.map((method) => DropdownMenuItem<Wallet>(
-      value: method,
-      child: Row(
-        children: [
-          Icon(iconForPaymentType(PaymentType.managedWallet), size: 20),
-          const SizedBox(width: 8),
-          Text(method.name),
-        ],
-      ),
-    )).toList(),
-    onChanged: (value) {
-      if (value != null) {
-        onChanged(value);
-      }
-    },
-  );
-
-  Wallet? _getSelectedMethod() {
-    if (selectedMethod != null) return selectedMethod;
-    if (methods.isEmpty) return null;
-    return methods.first;
-  }
-}