core: fix cross-machine broadcast

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.37.0",
+    "version": "2.37.1",
     "bin": "bin/hydrooj.js",
     "main": "src/loader",
     "module": "src/loader",

packages/hydrooj/src/model/task.ts

@@ -160,7 +160,9 @@ bus.once('app/started', async () => {
                 { ack: { $not: { $elemMatch: { $eq: id } } } },
                 { $push: { ack: id } },
             );
-            if (res.value) bus.parallel(res.value.event, ...JSON.parse(res.value.payload));
+            const payload = JSON.parse(res.value.payload);
+            if (process.send) process.send({ type: 'hydro:broadcast', data: { event: res.value.event, payload } });
+            if (res.value) bus.parallel(res.value.event, ...payload);
             // eslint-disable-next-line no-await-in-loop
             else await sleep(100);
         }