fix(ext/node): fix unable to resolve fraction.js (#18544)

Turns out `autoprefixer` is a better reproduction case then
`microbundle`.

Fixes #18535 
Fixes #18600

---------

Co-authored-by: Bartek Iwańczuk <biwanczuk@gmail.com>

cli/tests/integration/npm_tests.rs

@@ -735,6 +735,15 @@ itest!(node_modules_dir_require_added_node_modules_folder {
   temp_cwd: true,
 });
 
+itest!(node_modules_dir_require_main_entry {
+  args: "run --node-modules-dir -A --quiet $TESTDATA/npm/require_main/main.js",
+  output: "npm/require_main/main.out",
+  envs: env_vars_for_npm_tests(),
+  http_server: true,
+  exit_code: 0,
+  temp_cwd: true,
+});
+
 itest!(node_modules_dir_with_deps {
   args: "run --allow-read --allow-env --node-modules-dir $TESTDATA/npm/cjs_with_deps/main.js",
   output: "npm/cjs_with_deps/main_node_modules.out",

cli/tests/testdata/npm/registry/normalize-range/registry.json

@@ -0,0 +1 @@
+{"name":"normalize-range","dist-tags":{"latest":"0.1.2"},"versions":{"0.1.0":{"name":"normalize-range","version":"0.1.0","devDependencies":{"codeclimate-test-reporter":"^0.1.0","coveralls":"^2.11.2","istanbul":"^0.3.17","jscs":"^2.1.1","jshint":"^2.8.0","jshint-stylish":"^2.0.1","mocha":"^2.2.5"},"dist":{"shasum":"7dc10354319857a4bc115926c2c0b46584963102","tarball":"http://localhost:4545/npm/registry/normalize-range/normalize-range-0.1.0.tgz","integrity":"sha512-4fsB/sNmYhDAIP6QbzL9PmwCvnLfWL0Ln69oYIN2oZENUe4rLxjlXjEJuT9idgayeSJA9sMhp5mWsCTVIIpONg==","signatures":[{"keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA","sig":"MEUCIB2CC+fsxUBSR/x5AQclibqWsHjYaroDVX0t6mecusFSAiEAuOk6cKVrq/xKaJuUVp/RbahS2+ly1bHziRjjNc0uCTM="}]},"engines":{"node":">=0.10.0"}},"0.1.1":{"name":"normalize-range","version":"0.1.1","devDependencies":{"codeclimate-test-reporter":"^0.1.0","coveralls":"^2.11.2","istanbul":"^0.3.17","jscs":"^2.1.1","jshint":"^2.8.0","jshint-stylish":"^2.0.1","mocha":"^2.2.5"},"dist":{"shasum":"a40ffccb98fe9d3a2ebb52014b0ef42973fe0209","tarball":"http://localhost:4545/npm/registry/normalize-range/normalize-range-0.1.1.tgz","integrity":"sha512-E40wR+fwvuCNoAPhlT89paNVG4Dx+QFWq0P5RPjHtRU0UDWW1Zc4tYGnFqOYCrprKvoUSz0zIW0sYz6bh5gY5A==","signatures":[{"keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA","sig":"MEUCIQD/UFjvwwZGgQcE0y9dcb3t2X+D4WzSxZTxSPaqZdOIQwIgXVUyEpzKlSUVKYlirK2CltJztrd8qLEqwGvmKYTaNu0="}]},"engines":{"node":">=0.10.0"}},"0.1.2":{"name":"normalize-range","version":"0.1.2","devDependencies":{"almost-equal":"^1.0.0","codeclimate-test-reporter":"^0.1.0","coveralls":"^2.11.2","istanbul":"^0.3.17","jscs":"^2.1.1","jshint":"^2.8.0","jshint-stylish":"^2.0.1","mocha":"^2.2.5","stringify-pi":"0.0.3"},"dist":{"shasum":"2d10c06bdfd312ea9777695a4d28439456b75942","tarball":"http://localhost:4545/npm/registry/normalize-range/normalize-range-0.1.2.tgz","integrity":"sha512-bdok/XvKII3nUpklnV6P2hxtMNrCboOjAcyBuQnWEhO665FwrSNRxU+AqpsyvO6LgGYPspN+lu5CLtw4jPRKNA==","signatures":[{"keyid":"SHA256:jl3bwswu80PjjokCgh0o2w5c2U4LhQAE57gj9cz1kzA","sig":"MEUCIE/pPGFro0Dc2jy+Xczxvr24YzO9s1xQynEBZoe2bi1MAiEAu5ZcDlfU7EqSGImCiQY9jpsumxIQCyAlpFAuAnfjDw8="}]},"engines":{"node":">=0.10.0"}}},"modified":"2022-06-22T05:32:01.991Z"}

cli/tests/testdata/npm/require_main/main.js

@@ -0,0 +1,2 @@
+import fraction from "npm:autoprefixer";
+console.log(typeof fraction);

cli/tests/testdata/npm/require_main/main.out

@@ -0,0 +1 @@
+function

ext/node/ops.rs

@@ -470,7 +470,13 @@ where
   {
     modules_path
   } else {
-    path_resolve(vec![modules_path, name])
+    let orignal = modules_path.clone();
+    let mod_dir = path_resolve(vec![modules_path, name]);
+    if Env::Fs::is_dir(&mod_dir) {
+      mod_dir
+    } else {
+      orignal
+    }
   };
   let pkg = PackageJson::load::<Env::Fs>(
     &*resolver,