TF-1899 Implement interactor for get stored session

(cherry picked from commit 05eb5a5b9da2ab3fba64ea08591fd787a736549e)

lib/features/session/data/datasource_impl/hive_session_datasource_impl.dart

@@ -1,6 +1,8 @@
 import 'package:jmap_dart_client/jmap/core/session/session.dart';
 import 'package:tmail_ui_user/features/caching/clients/session_hive_cache_client.dart';
 import 'package:tmail_ui_user/features/session/data/datasource/session_datasource.dart';
+import 'package:tmail_ui_user/features/session/data/exceptions/session_exceptions.dart';
+import 'package:tmail_ui_user/features/session/data/extensions/session_hive_obj_extension.dart';
 import 'package:tmail_ui_user/features/session/data/model/session_hive_obj.dart';
 import 'package:tmail_ui_user/features/session/domain/extensions/session_extensions.dart';
 import 'package:tmail_ui_user/main/exceptions/exception_thrower.dart';
@@ -23,4 +25,16 @@ class HiveSessionDataSourceImpl extends SessionDataSource {
       return _sessionHiveCacheClient.insertItem(SessionHiveObj.keyValue, session.toHiveObj());
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<Session> getStoredSession() {
+    return Future.sync(() async {
+      final sessionHiveObj = await _sessionHiveCacheClient.getItem(SessionHiveObj.keyValue);
+      if (sessionHiveObj != null) {
+        return sessionHiveObj.toSession();
+      } else {
+        throw NotFoundSessionHiveObject();
+      }
+    }).catchError(_exceptionThrower.throwException);
+  }
 }

lib/features/session/data/datasource_impl/session_datasource_impl.dart

@@ -21,4 +21,9 @@ class SessionDataSourceImpl extends SessionDataSource {
   Future<void> storeSession(Session session) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<Session> getStoredSession() {
+    throw UnimplementedError();
+  }
 }