Fix breaking change - Revert "[11.x] Replace string class names with ::class constants" (#54185)

* Revert "refactor from string class names to constant (#54134)"

This reverts commit aed6bbe.

* Add failing test for #54185

Author: SanderMuller

src/Illuminate/Foundation/Console/RouteListCommand.php

@@ -250,8 +250,8 @@ protected function isVendorRoute(Route $route)
     protected function isFrameworkController(Route $route)
     {
         return in_array($route->getControllerClass(), [
-            \Illuminate\Routing\RedirectController::class,
-            \Illuminate\Routing\ViewController::class,
+            '\Illuminate\Routing\RedirectController',
+            '\Illuminate\Routing\ViewController',
         ], true);
     }
 

src/Illuminate/Routing/Router.php

@@ -258,7 +258,7 @@ public function fallback($action)
      */
     public function redirect($uri, $destination, $status = 302)
     {
-        return $this->any($uri, \Illuminate\Routing\RedirectController::class)
+        return $this->any($uri, '\Illuminate\Routing\RedirectController')
                 ->defaults('destination', $destination)
                 ->defaults('status', $status);
     }
@@ -287,7 +287,7 @@ public function permanentRedirect($uri, $destination)
      */
     public function view($uri, $view, $data = [], $status = 200, array $headers = [])
     {
-        return $this->match(['GET', 'HEAD'], $uri, \Illuminate\Routing\ViewController::class)
+        return $this->match(['GET', 'HEAD'], $uri, '\Illuminate\Routing\ViewController')
                 ->setDefaults([
                     'view' => $view,
                     'data' => $data,

tests/Routing/RouteRegistrarTest.php

@@ -344,6 +344,15 @@ public function testCanRegisterGroupWithNamespace()
             'App\Http\Controllers\UsersController@index',
             $this->getRoute()->getAction()['uses']
         );
+
+        $this->router->namespace('App\Http\Controllers')->group(function ($router) {
+            $router->redirect('users', '/');
+        });
+
+        $this->assertSame(
+            '\Illuminate\Routing\RedirectController@__invoke',
+            $this->getRoute()->getAction()['uses']
+        );
     }
 
     public function testCanRegisterGroupWithPrefix()