Symfony Form Profiler Reproducer

Steps to reproduce issue

Initialize a project
```
$ composer install
```
Start a PHP server
```
$ php -S 127.0.0.1:8080 -t public
```
Open a http://127.0.0.1:8080/ page to render form
Navigate to form profiler page for latest request http://127.0.0.1:8080/_profiler/latest?panel=form&type=request

Name	Name	Last commit message	Last commit date
Latest commit History 1 Commit
config	config
public	public
src	src
templates	templates
translations	translations
.env	.env
.gitignore	.gitignore
README.md	README.md
composer.json	composer.json
composer.lock	composer.lock
symfony.lock	symfony.lock