TF-123 Implement caching mailbox when get all mailbox

lib/features/mailbox/data/model/mailbox_cache_response.dart

@@ -0,0 +1,16 @@
+
+import 'package:equatable/equatable.dart';
+import 'package:model/model.dart';
+
+class MailboxCacheResponse with EquatableMixin {
+  final List<MailboxCache>? mailboxCaches;
+  final StateDao? oldState;
+
+  MailboxCacheResponse({
+    this.mailboxCaches,
+    this.oldState
+  });
+
+  @override
+  List<Object?> get props => [mailboxCaches, oldState];
+}

lib/features/mailbox/data/model/mailbox_change_response.dart

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+
+import 'package:equatable/equatable.dart';
+import 'package:jmap_dart_client/jmap/core/properties/properties.dart';
+import 'package:jmap_dart_client/jmap/core/state.dart';
+import 'package:jmap_dart_client/jmap/mail/mailbox/mailbox.dart';
+
+class MailboxChangeResponse with EquatableMixin {
+  final List<Mailbox>? updated;
+  final List<Mailbox>? created;
+  final List<MailboxId>? destroyed;
+  final State? newState;
+  final Properties? updatedProperties;
+
+  MailboxChangeResponse({
+    this.updated,
+    this.created,
+    this.destroyed,
+    this.newState,
+    this.updatedProperties,
+  });
+
+  @override
+  List<Object?> get props => [updated, created, destroyed, newState, updatedProperties];
+}