(core) Fix scrollbar in code view

Summary:
The scrollbar wasn't properly positioned inside the
bounds of the main panel.

Test Plan: Manual.

Reviewers: jarek

Reviewed By: jarek

Subscribers: paulfitz, jarek

Differential Revision: https://phab.getgrist.com/D4357

app/server/lib/GristJobs.ts

@@ -222,7 +222,7 @@ export class GristBullMQQueueScope implements GristQueueScope {
   } = {}) {
     await this._worker?.close();
     if (options.obliterate) {
-      await this._queue?.obliterate();
+      await this._queue?.obliterate({force: true});
     }
   }