Tariff subsriptionId fix

lib/domain/entities/tariff.dart

@@ -10,6 +10,7 @@ class Tariff {
   final double startPrice;     // Старт цена
   final double cashback;       // Процент кэшбэка
   final double insurance;      // Страховка
+  final int subscriptionId;
 
   Tariff({
     required this.id,
@@ -23,6 +24,7 @@ class Tariff {
     required this.startPrice,
     required this.cashback,
     required this.insurance,
+    required this.subscriptionId,
   });
 
   factory Tariff.fromJson(Map<String, dynamic> json) {
@@ -41,6 +43,7 @@ class Tariff {
       startPrice: (planPrice['start'] as num?)?.toDouble() ?? 0.0,
       cashback: (planPrice['cashback'] as num?)?.toDouble() ?? 0.0,
       insurance: (planPrice['insurance'] as num?)?.toDouble() ?? 0.0,
+      subscriptionId: json.containsKey('subscriptionId') ? json['subscriptionId'] : 0,
     );
   }