[Process] Fix: Arguments including space and quote are not correctly escaped (win)

Bad
`"bin" "command" \""bin"\"" "\""another command"\"`

Better
`"bin" "command" "\"bin" \"another command\""`

Author: mishak87

src/Symfony/Component/Process/ProcessUtils.php

@@ -46,6 +46,7 @@ public static function escapeArgument($argument)
             }
 
             $escapedArgument = '';
+            $quote =  false;
             foreach (preg_split('/([%"])/i', $argument, -1, PREG_SPLIT_NO_EMPTY | PREG_SPLIT_DELIM_CAPTURE) as $part) {
                 if ('"' === $part) {
                     $escapedArgument .= '\\"';
@@ -55,9 +56,17 @@ public static function escapeArgument($argument)
                     if ('\\' === substr($part, -1)) {
                         $part .= '\\';
                     }
-                    $escapedArgument .= escapeshellarg($part);
+                    $part = escapeshellarg($part);
+                    if ($part[0] === '"' && $part[strlen($part) - 1] === '"') {
+                        $part = substr($part, 1, -1);
+                        $quote = true;
+                    }
+                    $escapedArgument .= $part;
                 }
             }
+            if ($quote) {
+                $escapedArgument = '"' . $escapedArgument . '"';
+            }
 
             return $escapedArgument;
         }