Fix lint error.

Change-Id: I56bd68a531e457af551c4c415374ac3a2d046112
diff --git a/polygerrit-ui/app/elements/checks/gr-checks-results.ts b/polygerrit-ui/app/elements/checks/gr-checks-results.ts
index 4664d92..9c27cdb 100644
--- a/polygerrit-ui/app/elements/checks/gr-checks-results.ts
+++ b/polygerrit-ui/app/elements/checks/gr-checks-results.ts
@@ -293,7 +293,13 @@
   override firstUpdated() {
     const loading = this.shadowRoot?.querySelector('.container');
     assertIsDefined(loading, '"Loading" element');
-    whenVisible(loading, () => (this.shouldRender = true), 200);
+    whenVisible(
+      loading,
+      () => {
+        this.shouldRender = true;
+      },
+      200
+    );
   }
 
   override render() {