Merge branch '5.2' into 5.3

* 5.2:
  Simplify some code with null coalesce operator
  Don't use deprecated TestLogger class

Author: derrabus

Command/AssetsInstallCommand.php

@@ -275,10 +275,6 @@ private function getPublicDirectory(ContainerInterface $container): string
 
         $composerConfig = json_decode(file_get_contents($composerFilePath), true);
 
-        if (isset($composerConfig['extra']['public-dir'])) {
-            return $composerConfig['extra']['public-dir'];
-        }
-
-        return $defaultPublicDir;
+        return $composerConfig['extra']['public-dir'] ?? $defaultPublicDir;
     }
 }

Console/Descriptor/MarkdownDescriptor.php

@@ -286,7 +286,7 @@ protected function describeContainerEnvVars(array $envs, array $options = [])
 
     protected function describeEventDispatcherListeners(EventDispatcherInterface $eventDispatcher, array $options = [])
     {
-        $event = \array_key_exists('event', $options) ? $options['event'] : null;
+        $event = $options['event'] ?? null;
         $dispatcherServiceName = $options['dispatcher_service_name'] ?? null;
 
         $title = 'Registered listeners';

Console/Descriptor/TextDescriptor.php

@@ -476,7 +476,7 @@ protected function describeContainerEnvVars(array $envs, array $options = [])
 
     protected function describeEventDispatcherListeners(EventDispatcherInterface $eventDispatcher, array $options = [])
     {
-        $event = \array_key_exists('event', $options) ? $options['event'] : null;
+        $event = $options['event'] ?? null;
         $dispatcherServiceName = $options['dispatcher_service_name'] ?? null;
 
         $title = 'Registered Listeners';