Apply Laravel coding style

Shift automatically applies the Laravel coding style - which uses the PSR-12 coding style as a base with some minor additions.

You may customize the code style applied by configuring [Pint](https://laravel.com/docs/pint), [PHP CS Fixer](https://github.com/FriendsOfPHP/PHP-CS-Fixer), or [PHP CodeSniffer](https://github.com/squizlabs/PHP_CodeSniffer) for your project root.

For more information on customizing the code style applied by Shift, [watch this short video](https://laravelshift.com/videos/shift-code-style).

app/Http/Requests/helpdesk/TicketRequest.php

@@ -47,7 +47,7 @@ class TicketRequest extends Request
     public function size()
     {
         $files = $this->file('attachment');
-        if (!$files) {
+        if (! $files) {
             throw new \Exception('exceeded', 422);
         }
         $size = 0;