LayoutBuilderFormBlockTestHooks.php

<?php

declare (strict_types=1);
namespace Drupal\layout_builder_form_block_test\Hook;

use Drupal\Core\Hook\Attribute\Hook;

/**
 * Hooks for layout_builder_form_block_test.
 */
class LayoutBuilderFormBlockTestHooks {
    
    /**
     * Implements hook_block_alter().
     */
    public function blockAlter(&$definitions) : void {
        // Allow a test block containing a form to be placed in navigation via
        // layout builder.
        $definitions['layout_builder_form_block_test_form_api_form_block']['allow_in_navigation'] = TRUE;
    }

}