Fix issue if default site is not IDP.

Author: cato-cit

lib/DrupalHelper.php

@@ -19,13 +19,7 @@ class DrupalHelper
     public function bootDrupal($drupalRoot)
     {
         $autoloader = require_once $drupalRoot . '/autoload.php';
-        // Inherit the current request's HTTP host to respect trusted hosts
-        // settings.
-        $current_request = Request::createFromGlobals();
-        $server = [
-          'HTTP_HOST' => $current_request->getHost(),
-        ];
-        $request = new Request([], [], [], [], [], $server);
+        $request = Request::createFromGlobals();
         $originalDir = getcwd();
         chdir($drupalRoot);
         $kernel = DrupalKernel::createFromRequest($request, $autoloader, 'prod', true, $drupalRoot);