[11.x] Add Conditionable Trait to Request (#53775)

* [11.x] Add when() to Request

* [11.x] Add when() to Request

Author: ahmeti

src/Illuminate/Http/Request.php

@@ -9,6 +9,7 @@
 use Illuminate\Support\Arr;
 use Illuminate\Support\Collection;
 use Illuminate\Support\Str;
+use Illuminate\Support\Traits\Conditionable;
 use Illuminate\Support\Traits\Macroable;
 use RuntimeException;
 use Symfony\Component\HttpFoundation\Exception\SessionNotFoundException;
@@ -27,6 +28,7 @@ class Request extends SymfonyRequest implements Arrayable, ArrayAccess
         Concerns\InteractsWithContentTypes,
         Concerns\InteractsWithFlashData,
         Concerns\InteractsWithInput,
+        Conditionable,
         Macroable;
 
     /**