quic: fixes undefined handle in QuicStream kInspect

If the #handle is not of a stream, while kInspect
is called `DataViewPrototypeGetByteLength` will
throw.

Signed-off-by: Marten Richter <marten.richter@freenet.de>

Author: martenrichter

lib/internal/quic/state.js

@@ -969,7 +969,8 @@ class QuicStreamState {
   }
 
   [kInspect](depth, options) {
-    if (DataViewPrototypeGetByteLength(this.#handle) === 0) {
+    if (this.#handle === undefined ||
+      DataViewPrototypeGetByteLength(this.#handle) === 0) {
       return 'QuicStreamState { <Closed> }';
     }