stream: simplify setPromiseHandled utility

Signed-off-by: Antoine du Hamel <[email protected]>
PR-URL: #63032
Reviewed-By: Michaël Zasso <[email protected]>
Reviewed-By: Matteo Collina <[email protected]>

Author: aduh95

lib/internal/webstreams/util.js

@@ -178,7 +178,7 @@ function setPromiseHandled(promise) {
   // MarkAsHandled, but this avoids the extra boundary cross
   // and is hopefully faster at the cost of an extra Promise
   // allocation.
-  PromisePrototypeThen(promise, () => {}, () => {});
+  PromisePrototypeThen(promise, undefined, () => {});
 }
 
 async function nonOpFlush() {}