Merge branch '4.4' into 5.0

* 4.4:
  [Console] fix reading from STDIN

Helper/QuestionHelper.php

@@ -105,7 +105,7 @@ private function doAsk(OutputInterface $output, Question $question)
     {
         $this->writePrompt($output, $question);
 
-        $inputStream = $this->inputStream ?: fopen('php://stdin', 'r');
+        $inputStream = $this->inputStream ?: STDIN;
         $autocomplete = $question->getAutocompleterCallback();
 
         if (null === $autocomplete || !self::$stty || !Terminal::hasSttyAvailable()) {