esm: re-add esm loading embedder option

Author: codebytere

lib/internal/process/pre_execution.js

@@ -688,6 +688,8 @@ function initializeCJSLoader() {
 }
 
 function initializeESMLoader(isLoaderWorker) {
+  if (getEmbedderOptions().shouldNotRegisterESMLoader) return;
+
   const { initializeESM } = require('internal/modules/esm/utils');
   initializeESM(isLoaderWorker);