Merge branch '6.4' into 7.0

* 6.4:
  [HttpClient][Mailer] Revert "Let curl handle transfer encoding", use HTTP/1.1 for Mailgun
  Reviewed Catalan missing translations
  [AssetMapper] Upgrade importmap polyfill
  Fix typo: synchronous -> synchronously
  [Serializer] Check if exception message in test is correct
  Ibexa is sponsoring Symfony 5.4, thanks to them! \o/
  [VarDumper] Fix `FFICaster` test to be platform-adaptable
  [String] Add `alias` case to `EnglishInflector`
  [FrameworkBundle] Throw runtime exception when trying to use asset-mapper while http-client is disabled
  [SecurityBundle] Remove unused memory users’ `name` attribute from the XSD
  [VarExporter] generate __doUnserialize() method in ProxyHelper::generateLazyProxy()
  Double check if pcntl function exists
  Add additional headers in Scaleway bridge
  [VarDumper] Fix FFI caster test
  [DependencyInjection] Add test coverage for `AutowireCallable::buildDefinition()`

Author: nicolas-grekas

DependencyInjection/FrameworkExtension.php

@@ -339,7 +339,7 @@ public function load(array $configs, ContainerBuilder $container): void
                 throw new LogicException('AssetMapper support cannot be enabled as the AssetMapper component is not installed. Try running "composer require symfony/asset-mapper".');
             }
 
-            $this->registerAssetMapperConfiguration($config['asset_mapper'], $container, $loader, $this->readConfigEnabled('assets', $container, $config['assets']));
+            $this->registerAssetMapperConfiguration($config['asset_mapper'], $container, $loader, $this->readConfigEnabled('assets', $container, $config['assets']), $this->readConfigEnabled('http_client', $container, $config['http_client']));
         } else {
             $container->removeDefinition('cache.asset_mapper');
         }
@@ -1304,12 +1304,14 @@ private function registerAssetsConfiguration(array $config, ContainerBuilder $co
         }
     }
 
-    private function registerAssetMapperConfiguration(array $config, ContainerBuilder $container, PhpFileLoader $loader, bool $assetEnabled): void
+    private function registerAssetMapperConfiguration(array $config, ContainerBuilder $container, PhpFileLoader $loader, bool $assetEnabled, bool $httpClientEnabled): void
     {
         $loader->load('asset_mapper.php');
 
-        if (!$assetEnabled) {
-            $container->removeDefinition('asset_mapper.asset_package');
+        if (!$httpClientEnabled) {
+            $container->register('asset_mapper.http_client', HttpClientInterface::class)
+                ->addTag('container.error')
+                ->addError('You cannot use the AssetMapper integration since the HttpClient component is not enabled. Try enabling the "framework.http_client" config option.');
         }
 
         $paths = $config['paths'];

Resources/config/asset_mapper.php

@@ -54,6 +54,8 @@
             ])
         ->alias(AssetMapperInterface::class, 'asset_mapper')
 
+        ->alias('asset_mapper.http_client', 'http_client')
+
         ->set('asset_mapper.mapped_asset_factory', MappedAssetFactory::class)
             ->args([
                 service('asset_mapper.public_assets_path_resolver'),
@@ -197,7 +199,7 @@
             ])
 
         ->set('asset_mapper.importmap.resolver', JsDelivrEsmResolver::class)
-            ->args([service('http_client')])
+            ->args([service('asset_mapper.http_client')])
 
         ->set('asset_mapper.importmap.renderer', ImportMapRenderer::class)
             ->args([
@@ -212,12 +214,12 @@
         ->set('asset_mapper.importmap.auditor', ImportMapAuditor::class)
         ->args([
             service('asset_mapper.importmap.config_reader'),
-            service('http_client'),
+            service('asset_mapper.http_client'),
         ])
         ->set('asset_mapper.importmap.update_checker', ImportMapUpdateChecker::class)
         ->args([
             service('asset_mapper.importmap.config_reader'),
-            service('http_client'),
+            service('asset_mapper.http_client'),
         ])
 
         ->set('asset_mapper.importmap.command.require', ImportMapRequireCommand::class)