fix: popup is third argument

Author: vdvibhu20

app/pods/components/intermediate-contest-view/component.js

@@ -117,6 +117,6 @@ export default class IntermediateContestComponent extends Component {
   }
 
   @action async openTestInNewWindow() {
-    window.open(`${ENV.publicUrl}/contests/${this.contest.id}/attempt/`, 'popup')
+    window.open(`${ENV.publicUrl}/contests/${this.contest.id}/attempt/`, '_blank', 'popup')
   }
 }

app/pods/contests/contest/index/controller.js

@@ -62,6 +62,6 @@ export default class IndexController extends Controller {
   }
   @action
   onAfterCreate() {
-    window.open(`${ENV.publicUrl}/contests/${this.contest.id}/attempt/`, 'popup')
+    window.open(`${ENV.publicUrl}/contests/${this.contest.id}/attempt/`, '_blank', 'popup')
   }
 }