Remove undefined realpath stub file and use the native variant

Author: jdalton

src/constants.ts

@@ -108,7 +108,10 @@ const lazyRootDistPath = () =>
 const lazyRootPath = () =>
   // The '@rollup/plugin-replace' will replace 'process.env.TAP' with `false` and
   // it will be dead code eliminated by Rollup.
-  path.resolve(realpathSync(__dirname), process.env['TAP'] ? '../..' : '..')
+  path.resolve(
+    realpathSync.native(__dirname),
+    process.env['TAP'] ? '../..' : '..'
+  )
 
 const lazyRootPkgJsonPath = () =>
   // Lazily access constants.rootPath.

src/shadow/npm-paths.ts

@@ -7,7 +7,7 @@ import { findRoot } from '../utils/path-resolve'
 
 const { NODE_MODULES, SOCKET_CLI_ISSUES_URL } = constants
 
-const npmEntrypoint = realpathSync(process.argv[1]!)
+const npmEntrypoint = realpathSync.native(process.argv[1]!)
 const npmRootPath = findRoot(path.dirname(npmEntrypoint))
 if (npmRootPath === undefined) {
   console.error(