Add logs for early exit when writing token to manifest

Summary: ^

Reviewed By: aigoncharov

Differential Revision: D51154908

fbshipit-source-id: 0c04ee50d07db1478ec5a77faa6d6157b7c9960b

desktop/flipper-server-core/src/app-connectivity/certificate-exchange/certificate-utils.tsx

@@ -306,6 +306,10 @@ const exportTokenToManifest = async (token: string) => {
   }
 
   if (!config || !config.environmentInfo.isHeadlessBuild) {
+    console.warn(
+      'No configuration or not headless build detected, skipping exporting token to manifest',
+      config,
+    );
     return;
   }