TF-1899 Add SessionHiveObj to store session

(cherry picked from commit de5c6f2c76e72ce85225e5a018e83dd815016733)

lib/features/session/data/extensions/session_hive_obj_extension.dart

@@ -0,0 +1,7 @@
+
+import 'package:jmap_dart_client/jmap/core/session/session.dart';
+import 'package:tmail_ui_user/features/session/data/model/session_hive_obj.dart';
+
+extension SessionHiveObjExtension on SessionHiveObj {
+  Session toSession() => Session.fromJson(values);
+}

lib/features/session/data/model/session_hive_obj.dart

@@ -0,0 +1,21 @@
+import 'package:equatable/equatable.dart';
+import 'package:hive/hive.dart';
+import 'package:tmail_ui_user/features/caching/utils/caching_constants.dart';
+
+part 'session_hive_obj.g.dart';
+
+@HiveType(typeId: CachingConstants.typeIdSessionHiveObj)
+class SessionHiveObj extends HiveObject with EquatableMixin {
+
+  static const String keyValue = 'session';
+
+  @HiveField(0)
+  final Map<String, dynamic> values;
+
+  SessionHiveObj({
+    required this.values
+  });
+
+  @override
+  List<Object?> get props => [values];
+}