fix libsodium call from webworker

ts/node/sodiumNode.ts

@@ -4,5 +4,5 @@ export async function getSodiumNode() {
   // don't ask me why, but when called from node we have to do this as the types are incorrect?!
   const anyWrappers = wrappers as any;
   await anyWrappers.ready;
-  return anyWrappers;
+  return anyWrappers.default;
 }