TF-1708 Update props properties for all state object in interactor

(cherry picked from commit 2a5441c2ef4facf28e7e6e1678e89601d72259be)

core/lib/presentation/state/failure.dart

@@ -1,9 +1,16 @@
 import 'package:equatable/equatable.dart';
 
-abstract class Failure extends Equatable {}
+abstract class Failure with EquatableMixin {
+
+  @override
+  bool? get stringify => true;
+}
 
 abstract class FeatureFailure extends Failure {
   final dynamic exception;
 
   FeatureFailure({this.exception});
+
+  @override
+  List<Object?> get props => [exception];
 }

core/lib/presentation/state/success.dart

@@ -1,6 +1,10 @@
 import 'package:equatable/equatable.dart';
 
-abstract class Success with EquatableMixin {}
+abstract class Success with EquatableMixin {
+
+  @override
+  bool? get stringify => true;
+}
 
 abstract class ViewState extends Success {}