stream: properly destroy duplexified functions

Co-authored-by: Jason Zhang <[email protected]>

lib/internal/streams/duplexify.js

@@ -248,7 +248,7 @@ function fromAsyncGen(fn, destructor) {
         const { cb } = await _promise;
         process.nextTick(cb);
 
-        destructor();
+        process.nextTick(destructor);
       }
     }
   };