Update fullscreen_playcanvas.js

fullscreen_playcanvas.js

@@ -113,7 +113,11 @@
   inner.className = `pc-embed-inner-${id}`;
 
   const iframe = document.createElement('iframe');
-  iframe.src = playcanvasUrl;
+  const urlObj = new URL(playcanvasUrl);
+  urlObj.searchParams.set('overlay', 'false');
+  iframe.src = urlObj.href;
+
+  
   iframe.setAttribute('allowfullscreen', '');
   iframe.setAttribute('allow', 'autoplay; fullscreen');
   iframe.setAttribute(