Merge branch '5.3' into 5.4

* 5.3:
  cs fix
  [Security][Validator] Add missing translations for Indonesian (id)
  [Notifier] fix typo firebase
  Add trailing Line return if last line is non empty
  Report mismatches between trans-unit id and source text via status script
  Do not add namespace argument to NullAdapter in CachePoolPass
  [FrameworkBundle] Update cache:clear help
  Fix ExecutionContextInterface::setParameter phpdoc example
  Don't pass null to preg_replace()
  Don't pass null to strpos()
  Remove preloading of unused class
  [Messenger] Separate unit tests from integration tests
  Fix ServiceLocator indexing when service is decorated
  always close open stopwatch section after handling kernel.request events

Author: chalasr

Command/CacheClearCommand.php

@@ -61,7 +61,7 @@ protected function configure()
             ])
             ->setDescription(self::$defaultDescription)
             ->setHelp(<<<'EOF'
-The <info>%command.name%</info> command clears the application cache for a given environment
+The <info>%command.name%</info> command clears and warms up the application cache for a given environment
 and debug mode:
 
   <info>php %command.full_name% --env=dev</info>