Merge branch '2.7' into 2.8

* 2.7:
  fixed CS
  tweaked default CS fixer config
  [HttpKernel] Dont close the output stream in debug
  move HttpKernel component to require section
  Fixed oci and sqlsrv merge queries when emulation is disabled - fixes #17284
  [Session] fix PDO transaction aborted under PostgreSQL
  [Console] Use InputInterface inherited doc as possible
  add docblock type elements to support newly added IteratorAggregate::getIterator PhpStorm support
  FormBuilderInterface: fix getForm() return type.
  Fixed typo in PHPDoc

Author: fabpot

Compiler/ReplaceAliasByActualDefinitionPass.php

@@ -139,7 +139,6 @@ private function updateFactoryReference(array $replacements, $factory)
             $factory[0] = new Reference($replacements[$referenceId], $factory[0]->getInvalidBehavior());
         }
 
-
         return $factory;
     }
 }