module: check file url passed to top-level import

Fixes: nodejs/node#15374
PR-URL: nodejs/node#15389
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Bartosz Sosnowski <bartosz@janeasystems.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>

lib/module.js

@@ -435,7 +435,7 @@ Module._load = function(request, parent, isMain) {
     if (experimentalModules) {
       if (filename === null || /\.mjs$/.test(filename)) {
         try {
-          ESMLoader.import(request).catch((e) => {
+          ESMLoader.import(getURLFromFilePath(filename).href).catch((e) => {
             console.error(e);
             process.exit(1);
           });