fix(Console): add void as valid return type for command methods

The MethodSignatureAnalyzer was rejecting command methods with void return
type, causing the schedule:run command to fail validation.

src/Application/Admin/ValueObjects/NavigationItem.php

@@ -44,10 +44,13 @@ final readonly class NavigationItem
 
     public function toArray(): array
     {
+        $icon = $this->getIcon();
+
         return [
             'name' => $this->name,
             'url' => $this->url,
             'icon' => $this->icon instanceof Icon ? $this->icon->toString() : $this->icon,
+            'icon_html' => $icon?->toHtml('admin-nav__icon') ?? '',
             'is_active' => $this->isActive,
         ];
     }