don't show ads if in iframe

src/client/GutterAds.ts

@@ -1,5 +1,6 @@
 import { LitElement, html } from "lit";
 import { customElement, state } from "lit/decorators.js";
+import { isInIframe } from "./Utils";
 
 const LEFT_FUSE = "gutter-ad-container-left";
 const RIGHT_FUSE = "gutter-ad-container-right";
@@ -32,6 +33,11 @@ export class GutterAds extends LitElement {
       return;
     }
 
+    if (isInIframe()) {
+      console.log("In iframe, showing gutter ads");
+      return;
+    }
+
     console.log("showing GutterAds");
     this.isVisible = true;
     this.requestUpdate();