stream: optimize webstreams pipeTo

Author: MattiasBuelens

lib/internal/webstreams/readablestream.js

@@ -1573,10 +1573,7 @@ function readableStreamPipeTo(
       }
 
       // Trigger pull if needed after batch
-      if (source[kState].state === 'readable' &&
-          !controller[kState].closeRequested) {
-        readableStreamDefaultControllerCallPullIfNeeded(controller);
-      }
+      readableStreamDefaultControllerCallPullIfNeeded(controller);
 
       // Check if stream closed during batch
       if (source[kState].state === 'closed') {