lib: make DOMException attributes configurable and enumerable

The `name`, `message` and `code` attributes of the DOMException
interface should be enumerable and configurable. Aligning
the definition with the Web allows us to use it when
running the Web Platform Tests.

Refs: https://heycam.github.io/webidl/#idl-DOMException

PR-URL: #22550
Refs: web-platform-tests/wpt@125950d
Reviewed-By: Gus Caplan <[email protected]>
Reviewed-By: Anna Henningsen <[email protected]>
Reviewed-By: Tiancheng "Timothy" Gu <[email protected]>
Reviewed-By: Ruben Bridgewater <[email protected]>
Reviewed-By: John-David Dalton <[email protected]>
Reviewed-By: James M Snell <[email protected]>

lib/internal/domexception.js

@@ -44,7 +44,10 @@ class DOMException extends Error {
 }
 
 Object.defineProperties(DOMException.prototype, {
-  [Symbol.toStringTag]: { configurable: true, value: 'DOMException' }
+  [Symbol.toStringTag]: { configurable: true, value: 'DOMException' },
+  name: { enumerable: true, configurable: true },
+  message: { enumerable: true, configurable: true },
+  code: { enumerable: true, configurable: true }
 });
 
 for (const [name, codeName, value] of [