Fix region_lifetime not applied to explicitly declared SLC regions

Author: Victor Shi

src/DependencyInjection/Configuration.php

@@ -604,7 +604,7 @@ private function getOrmEntityManagersNode(): ArrayNodeDefinition
                                         ->scalarNode('lock_path')->defaultValue('%kernel.cache_dir%/doctrine/orm/slc/filelock')->end()
                                         ->scalarNode('lock_lifetime')->defaultValue(60)->end()
                                         ->scalarNode('type')->defaultValue('default')->end()
-                                        ->scalarNode('lifetime')->defaultValue(0)->end()
+                                        ->scalarNode('lifetime')->defaultNull()->end()
                                         ->scalarNode('service')->end()
                                         ->scalarNode('name')->end()
                                     ->end()

src/DependencyInjection/DoctrineExtension.php

@@ -1191,7 +1191,7 @@ private function loadOrmSecondLevelCache(array $entityManager, Definition $ormCo
 
                     $container
                         ->setDefinition($regionId, new Definition(DefaultRegion::class))
-                        ->setArguments([$name, new Reference($driverId), $region['lifetime']]);
+                        ->setArguments([$name, new Reference($driverId), $region['lifetime'] ?? $entityManager['second_level_cache']['region_lifetime']]);
                 }
 
                 if ($regionType === 'filelock') {
@@ -1205,7 +1205,10 @@ private function loadOrmSecondLevelCache(array $entityManager, Definition $ormCo
                     $regionsDef->addMethodCall('getLockLifetime', [$name, $region['lock_lifetime']]);
                 }
 
-                $regionsDef->addMethodCall('setLifetime', [$name, $region['lifetime']]);
+                if ($region['lifetime'] !== null) {
+                    $regionsDef->addMethodCall('setLifetime', [$name, $region['lifetime']]);
+                }
+
                 $slcFactoryDef->addMethodCall('setRegion', [$regionRef]);
             }
         }