stream: avoid drain for sync streams

Previously a sync writable receiving chunks
larger than highwatermark would unecessarily
ping pong needDrain.

PR-URL: https://github.com/nodejs/node/pull/32887
Reviewed-By: Matteo Collina <matteo.collina@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>

benchmark/streams/writable-manywrites.js

@@ -7,11 +7,12 @@ const bench = common.createBenchmark(main, {
   n: [2e6],
   sync: ['yes', 'no'],
   writev: ['yes', 'no'],
-  callback: ['yes', 'no']
+  callback: ['yes', 'no'],
+  len: [1024, 32 * 1024]
 });
 
-function main({ n, sync, writev, callback }) {
-  const b = Buffer.allocUnsafe(1024);
+function main({ n, sync, writev, callback, len }) {
+  const b = Buffer.allocUnsafe(len);
   const s = new Writable();
   sync = sync === 'yes';