グループ招待の通知とか

Resolve #5880
Resolve #5927

src/models/repositories/notification.ts

@@ -1,5 +1,5 @@
 import { EntityRepository, Repository } from 'typeorm';
-import { Users, Notes } from '..';
+import { Users, Notes, UserGroupInvitations } from '..';
 import { Notification } from '../entities/notification';
 import { ensure } from '../../prelude/ensure';
 import { awaitAll } from '../../prelude/await-all';
@@ -39,7 +39,10 @@ export class NotificationRepository extends Repository<Notification> {
 			...(notification.type === 'pollVote' ? {
 				note: Notes.pack(notification.note || notification.noteId!, notification.notifieeId),
 				choice: notification.choice
-			} : {})
+			} : {}),
+			...(notification.type === 'groupInvited' ? {
+				invitation: UserGroupInvitations.pack(notification.userGroupInvitationId!),
+			} : {}),
 		});
 	}