Merge branch '4.4' into 5.0

* 4.4:
  [PropertyAccess] fix tests
  [WebProfilerBundle] fix test
  remove assertions that can never be reached
  [PropertyAccess] Improve message of unitialized property in php 7.4
  [HttpFoundation] Fixed session migration with custom cookie lifetime
  [HttpKernel][FrameworkBundle] fix compat with Debug component
  [Serializer] Remove unused variable
  Allow URL-encoded special characters in basic auth part of URLs
  [Serializer] Fix unitialized properties (from PHP 7.4.2) when serializing context for the cache key
  [Validator] Add missing Ukrainian and Russian translations
  Track session usage when setting the token
  [4.4][MonologBridge] Fix $level type
  No need to reconnect the bags to the session
  Support for Content Security Policy style-src-elem and script-src-elem in WebProfiler
  [PropertyInfo][ReflectionExtractor] Check the array mutator prefixes last when the property is singular
  [Security][Http][SwitchUserListener] Ignore all non existent username protection errors
  Add installation and minimal example to README

Author: nicolas-grekas

Console/Application.php

@@ -19,7 +19,6 @@
 use Symfony\Component\Console\Output\ConsoleOutputInterface;
 use Symfony\Component\Console\Output\OutputInterface;
 use Symfony\Component\Console\Style\SymfonyStyle;
-use Symfony\Component\Debug\Exception\FatalThrowableError;
 use Symfony\Component\DependencyInjection\ContainerAwareInterface;
 use Symfony\Component\HttpKernel\Bundle\Bundle;
 use Symfony\Component\HttpKernel\Kernel;
@@ -207,15 +206,7 @@ private function renderRegistrationErrors(InputInterface $input, OutputInterface
         (new SymfonyStyle($input, $output))->warning('Some commands could not be registered:');
 
         foreach ($this->registrationErrors as $error) {
-            if (method_exists($this, 'doRenderThrowable')) {
-                $this->doRenderThrowable($error, $output);
-            } else {
-                if (!$error instanceof \Exception) {
-                    $error = new FatalThrowableError($error);
-                }
-
-                $this->doRenderException($error, $output);
-            }
+            $this->doRenderThrowable($error, $output);
         }
     }
 }