revert: Use pretty path in EasyAdmin

[pan93412]

Incompatible with FrankenPHP currently :(

For reference, the error is (when opening from dashboard page):

EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController::index(): Argument #1 ($context) must be of type EasyCorp\Bundle\EasyAdminBundle\Context\AdminContext, null given, called in /app/vendor/symfony/http-kernel/HttpKernel.php on line 183 (/app/vendor/easycorp/easyadmin-bundle/src/Controller/AbstractCrudController.php:117)

#0 /app/vendor/symfony/http-kernel/HttpKernel.php(183): EasyCorp\Bundle\EasyAdminBundle\Controller\AbstractCrudController->index()
#1 /app/vendor/symfony/http-kernel/HttpKernel.php(76): Symfony\Component\HttpKernel\HttpKernel->handleRaw()
#2 /app/vendor/symfony/http-kernel/Kernel.php(182): Symfony\Component\HttpKernel\HttpKernel->handle()
#3 /app/vendor/runtime/frankenphp-symfony/src/Runner.php(38): Symfony\Component\HttpKernel\Kernel->handle()
#4 [internal function]: Runtime\FrankenPhpSymfony\Runner->Runtime\FrankenPhpSymfony\{closure}()
#5 /app/vendor/runtime/frankenphp-symfony/src/Runner.php(45): frankenphp_handle_request()
#6 /app/vendor/autoload_runtime.php(29): Runtime\FrankenPhpSymfony\Runner->run()
#7 /app/public/index.php(5): require_once('...')
#8 {main}

This reverts commit 7e2f1b4.