Improve marketplace app integration.

data/marketplaceApps.json

@@ -72,7 +72,7 @@
     "github": "https://github.com/mikhin"
   },
   {
-    "chainId": 1,
+    "chainId": 100,
     "author": "xDaichain",
     "id": "bao-finance",
     "title": "Bao Finance",

ui/pages/MarketplaceApp.tsx

@@ -27,10 +27,10 @@ const MarketplaceApp = ({ app, isLoading }: Props) => {
         'allow-top-navigation-by-user-activation';
 
   useEffect(() => {
-    if (app) {
-      ref?.current?.contentWindow?.postMessage({ colorMode, chaindId: network?.chainId }, app.url);
+    if (app && !isFrameLoading) {
+      ref?.current?.contentWindow?.postMessage({ blockscoutColorMode: colorMode, blockscoutChainId: network?.chainId }, app.url);
     }
-  }, [ app, colorMode, network, ref ]);
+  }, [ isFrameLoading, app, colorMode, network, ref ]);
 
   return (
     <Page wrapChildren={ false }>