util: prefer Reflect.ownKeys(…)

PR-URL: #36740
Reviewed-By: Antoine du Hamel <duhamelantoine1995@gmail.com>

lib/internal/util/inspect.js

@@ -43,6 +43,7 @@ const {
   ObjectPrototypePropertyIsEnumerable,
   ObjectSeal,
   ObjectSetPrototypeOf,
+  ReflectOwnKeys,
   RegExp,
   RegExpPrototypeTest,
   RegExpPrototypeToString,
@@ -615,11 +616,7 @@ function addPrototypeProperties(ctx, main, obj, recurseTimes, output) {
       ArrayPrototypeForEach(keys, (key) => keySet.add(key));
     }
     // Get all own property names and symbols.
-    keys = ObjectGetOwnPropertyNames(obj);
-    const symbols = ObjectGetOwnPropertySymbols(obj);
-    if (symbols.length !== 0) {
-      ArrayPrototypePush(keys, ...symbols);
-    }
+    keys = ReflectOwnKeys(obj);
     for (const key of keys) {
       // Ignore the `constructor` property and keys that exist on layers above.
       if (key === 'constructor' ||
@@ -667,7 +664,7 @@ function getKeys(value, showHidden) {
   if (showHidden) {
     keys = ObjectGetOwnPropertyNames(value);
     if (symbols.length !== 0)
-      keys.push(...symbols);
+      ArrayPrototypePush(keys, ...symbols);
   } else {
     // This might throw if `value` is a Module Namespace Object from an
     // unevaluated module, but we don't want to perform the actual type