update according to review

Author: Xstoudi

doc/api/process.md

@@ -2865,7 +2865,7 @@ added: v0.5.3
 changes:
   - version: REPLACEME
     pr-url: https://github.com/nodejs/node/pull/61276
-    description: Make `moduleLoadList` immutable.
+    description: `moduleLoadList` is now a copy instead of the internal list itself.
 -->
 
 * Returns: {string\[]}

lib/internal/bootstrap/realm.js

@@ -75,8 +75,7 @@ const {
 const moduleLoadList = [];
 ObjectDefineProperty(process, 'moduleLoadList', {
   __proto__: null,
-  get() { return ObjectFreeze(moduleLoadList.slice()); },
-  configurable: false,
+  get() { return ArrayPrototypeSlice(moduleLoadList); },
   enumerable: true,
 });
 

test/parallel/test-process-moduleloadlist.js

@@ -4,5 +4,4 @@ require('../common');
 const assert = require('assert');
 
 assert.ok(Array.isArray(process.moduleLoadList));
-assert.throws(() => process.moduleLoadList.push('foo'), /^TypeError: Cannot add property \d+, object is not extensible$/);
 assert.throws(() => process.moduleLoadList = 'foo', /^TypeError: Cannot set property moduleLoadList of #<process> which has only a getter$/);