Merge branch '6.4' into 7.0

* 6.4:
  Compare paths after realpath() has been applied to both
  fix AssetMapper usage without assets enabled
  Bump Symfony version to 6.4.10
  Update VERSION for 6.4.9
  Update CHANGELOG for 6.4.9

Author: xabbuh

Kernel.php

@@ -521,6 +521,7 @@ protected function initializeContainer(): void
             touch($oldContainerDir.'.legacy');
         }
 
+        $buildDir = $this->container->getParameter('kernel.build_dir');
         $cacheDir = $this->container->getParameter('kernel.cache_dir');
         $preload = $this instanceof WarmableInterface ? (array) $this->warmUp($cacheDir, $buildDir) : [];
 

Tests/KernelTest.php

@@ -452,7 +452,7 @@ public function testWarmup()
         $kernel->boot();
 
         $this->assertTrue($kernel->warmedUp);
-        $this->assertSame($kernel->getBuildDir(), $kernel->warmedUpBuildDir);
+        $this->assertSame(realpath($kernel->getBuildDir()), $kernel->warmedUpBuildDir);
     }
 
     public function testServicesResetter()