[10.x] Fix recorderHandler not recording changes made by middleware (#47614)

* Add the recorder handler after the middleware on the stack, otherwise middleware that modifies the request is not recorded

* Add test for middleware that modifies the request

Author: j3j5

src/Illuminate/Http/Client/PendingRequest.php

@@ -1155,12 +1155,12 @@ public function pushHandlers($handlerStack)
     {
         return tap($handlerStack, function ($stack) {
             $stack->push($this->buildBeforeSendingHandler());
-            $stack->push($this->buildRecorderHandler());
 
             $this->middleware->each(function ($middleware) use ($stack) {
                 $stack->push($middleware);
             });
 
+            $stack->push($this->buildRecorderHandler());
             $stack->push($this->buildStubHandler());
         });
     }

tests/Http/HttpClientTest.php

@@ -29,6 +29,7 @@
 use OutOfBoundsException;
 use PHPUnit\Framework\AssertionFailedError;
 use PHPUnit\Framework\TestCase;
+use Psr\Http\Message\RequestInterface;
 use Psr\Http\Message\ResponseInterface;
 use RuntimeException;
 use Symfony\Component\VarDumper\VarDumper;
@@ -1760,6 +1761,27 @@ public function testMiddlewareRunsWhenFaked()
         $this->assertSame(['hyped-for' => 'laravel-movie'], json_decode(tap($history[0]['request']->getBody())->rewind()->getContents(), true));
     }
 
+    public function testMiddlewareRunsAndCanChangeRequestOnAssertSent()
+    {
+        $this->factory->fake(function (Request $request) {
+            return $this->factory->response('Fake');
+        });
+
+
+        $pendingRequest = $this->factory->withMiddleware(
+            Middleware::mapRequest(fn (RequestInterface $request) => $request->withHeader('X-Test-Header', 'Test'))
+        );
+
+        $pendingRequest->post('https://laravel.example', ['laravel' => 'framework']);
+
+        $this->factory->assertSent(function (Request $request) {
+            return
+                $request->url() === 'https://laravel.example' &&
+                $request->hasHeader('X-Test-Header', 'Test');
+        });
+
+    }
+
     public function testRequestExceptionIsNotThrownIfThePendingRequestIsSetToThrowOnFailureButTheResponseIsSuccessful()
     {
         $this->factory->fake([