Implement Update Question (#4435)

* Update remote votes count

* save updatedAt

* deliver Update

* use renderNote

* use id

* fix typeof

src/models/note.ts

@@ -35,6 +35,7 @@ export type INote = {
 	_id: mongo.ObjectID;
 	createdAt: Date;
 	deletedAt: Date;
+	updatedAt?: Date;
 	fileIds: mongo.ObjectID[];
 	replyId: mongo.ObjectID;
 	renoteId: mongo.ObjectID;