core: fix message fetch

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "3.14.8",
+    "version": "3.14.9",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/message.ts

@@ -36,7 +36,7 @@ class MessageModel {
 
     @ArgMethod
     static async getByUser(uid: number): Promise<MessageDoc[]> {
-        return await coll.find({ $or: [{ from: uid }, { to: uid }] }).sort('_id', 1).limit(1000).toArray();
+        return await coll.find({ $or: [{ from: uid }, { to: uid }] }).sort('_id', -1).limit(1000).toArray();
     }
 
     static async getMany(query: FilterQuery<MessageDoc>, sort: any, page: number, limit: number): Promise<MessageDoc[]> {