core: auto-convert contest problem id

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.28",
+    "version": "2.29.29",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/handler/contest.ts

@@ -225,6 +225,7 @@ export class ContestEditHandler extends Handler {
         const pids = _pids.replace(/，/g, ',').split(',').map((i) => {
             i = i.trim();
             if ((+i).toString() === i) return +i;
+            if (i.split(':')[0] === domainId) return +i.split(':')[1];
             return i;
         }).filter((i) => i);
         const beginAtMoment = moment.tz(`${beginAtDate} ${beginAtTime}`, this.user.timeZone);

packages/hydrooj/src/handler/homework.ts

@@ -312,6 +312,7 @@ class HomeworkEditHandler extends Handler {
         const pids = _pids.replace(/，/g, ',').split(',').map((i) => {
             i = i.trim();
             if ((+i).toString() === i) return +i;
+            if (i.split(':')[0] === domainId) return +i.split(':')[1];
             return i;
         }).filter((i) => i);
         const tdoc = tid