core: 修复homework无法正确修改题号的问题

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.20.43",
+    "version": "2.20.44",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/handler/homework.ts

@@ -330,7 +330,7 @@ class HomeworkEditHandler extends HomeworkHandler {
         endAt = endAt.toDate();
         penaltySince = penaltySince.toDate();
         await contest.edit(domainId, tid, {
-            title, content, beginAt, endAt, verified, penaltySince, penaltyRules, rated,
+            title, content, beginAt, endAt, pids: verified, penaltySince, penaltyRules, rated,
         }, document.TYPE_HOMEWORK);
         if (tdoc.beginAt !== beginAt
             || tdoc.endAt !== endAt