[HttpFoundation] Setting REQUEST_TIME_FLOAT when constructing a Request object

Author: Carlos Tasada

Request.php

@@ -333,6 +333,7 @@ public static function create($uri, $method = 'GET', $parameters = [], $cookies
             'SCRIPT_FILENAME' => '',
             'SERVER_PROTOCOL' => 'HTTP/1.1',
             'REQUEST_TIME' => time(),
+            'REQUEST_TIME_FLOAT' => microtime(true),
         ], $server);
 
         $server['PATH_INFO'] = '';