Fix smooth scroll and other bugs (#1861)

This PR fixes:

- The wrong clean up of window post message communicators
- The smooth scroll bug in chrome (Fixes Anchor navigation in render view not working #1770)
- Scroll by using touch devices in renderer
- Lazy loading of the editor (code mirror doesn't need to be lazy loaded any more)

src/components/editor-page/renderer-pane/render-iframe.tsx

@@ -58,13 +58,7 @@ export const RenderIframe: React.FC<RenderIframeProps> = ({
   const onIframeLoad = useForceRenderPageUrlOnIframeLoadCallback(frameReference, rendererOrigin, resetRendererReady)
   const [frameHeight, setFrameHeight] = useState<number>(0)
 
-  useEffect(
-    () => () => {
-      iframeCommunicator.unregisterEventListener()
-      setRendererStatus(false)
-    },
-    [iframeCommunicator]
-  )
+  useEffect(() => () => setRendererStatus(false), [iframeCommunicator])
 
   useEffect(() => {
     if (!rendererReady) {