[Tests] Configure doctrine.orm.enable_native_lazy_objects to fix deprecation in PHP 8.4+

Fix https://github.com/symfony/ux/actions/runs/15787680645/job/44507502967?pr=2712

Author: Kocal

src/Autocomplete/tests/Fixtures/Kernel.php

@@ -109,6 +109,7 @@ protected function configureContainer(ContainerConfigurator $c): void
             'orm' => [
                 'auto_generate_proxy_classes' => true,
                 'auto_mapping' => true,
+                'enable_native_lazy_objects' => true,
                 'mappings' => [
                     'Test' => [
                         'is_bundle' => false,

src/LiveComponent/tests/Fixtures/Kernel.php

@@ -154,6 +154,7 @@ protected function configureContainer(ContainerConfigurator $c): void
             'orm' => [
                 'auto_generate_proxy_classes' => true,
                 'auto_mapping' => true,
+                'enable_native_lazy_objects' => true,
                 'mappings' => [
                     'Default' => [
                         'is_bundle' => false,

src/Turbo/tests/app/Kernel.php

@@ -85,6 +85,7 @@ protected function configureContainer(ContainerConfigurator $container): void
             'orm' => [
                 'auto_generate_proxy_classes' => true,
                 'auto_mapping' => true,
+                'enable_native_lazy_objects' => true,
                 'mappings' => [
                     'App' => [
                         'is_bundle' => false,