TF-1718 Add unsubscribeMail method to datasource/repository/interactor on jmap server

Signed-off-by: dab246 <tdvu@linagora.com>
(cherry picked from commit f9159b651866fbe8e2a1866231b5413cecc5b597)

lib/features/email/data/datasource_impl/email_datasource_impl.dart

@@ -224,4 +224,11 @@ class EmailDataSourceImpl extends EmailDataSource {
   Future<SendingEmail> getStoredSendingEmail(AccountId accountId, UserName userName, String sendingId) {
     throw UnimplementedError();
   }
+
+  @override
+  Future<Email> unsubscribeMail(Session session, AccountId accountId, EmailId emailId) {
+    return Future.sync(() async {
+      return await emailAPI.unsubscribeMail(session, accountId, emailId);
+    }).catchError(_exceptionThrower.throwException);
+  }
 }

lib/features/email/data/datasource_impl/email_hive_cache_datasource_impl.dart

@@ -287,4 +287,9 @@ class EmailHiveCacheDataSourceImpl extends EmailDataSource {
       return sendingEmailCache.toSendingEmail();
     }).catchError(_exceptionThrower.throwException);
   }
+
+  @override
+  Future<Email> unsubscribeMail(Session session, AccountId accountId, EmailId emailId) {
+    throw UnimplementedError();
+  }
 }