Merge branch '7.4' into 8.0

* 7.4: [FrameworkBundle] Dump all registered extensions’ configuration reference fix merge Mark FormFlow as finished if the last step is skipped [HttpKernel] Fix using MapRequestPayload on nullable arguments [ObjectMapper] bypass lazy ghost with class transform [WebProfilerBundle] fix displaying runner [DependencyInjection] Fix preloading LazyClosure [Emoji] Update list to version 17 make doLoadClassMetadata() methods private fix routing config type information [HttpClient] Don't reset unused clients in data collector

Author: nicolas-grekas

Dumper/PhpDumper.php

@@ -1189,6 +1189,7 @@ private function addNewInstance(Definition $definition, string $return = '', ?st
  || ($callable[0] instanceof Definition && !$this->definitionVariables->offsetExists($callable[0]))
  ))) {
  $initializer = 'fn () => '.$this->dumpValue($callable[0]);
+ $this->preload[LazyClosure::class] = LazyClosure::class;
 
  return $return.LazyClosure::getCode($initializer, $callable, $class, $this->container, $id).$tail;
  }