Fixes CrossSiteSearch api permissions

Module.php

@@ -138,4 +138,16 @@ class Module extends AbstractModule
 			return true;
 	}
 
+	/**
+	  * Code to run when first using the module.
+	  *
+	  * @param MvcEvent $event
+	  */
+	 public function onBootstrap(MvcEvent $event): void
+	 {
+	     parent::onBootstrap($event);
+
+	     $acl = $this->getServiceLocator()->get('Omeka\Acl');
+	     $acl->allow(null, 'Controller\ArchiveSiteMetaController');
+	 }
 }

config/module.config.php

@@ -22,7 +22,7 @@ return [
     ],
     'controllers' => [
         'invokables' => [
-            Controller\ArchiveSiteMetaController::class => Controller\ArchiveSiteMetaController::class,
+            'Controller\ArchiveSiteMetaController' => Controller\ArchiveSiteMetaController::class
         ],
     ],
     'view_manager' => [