feat(staff): scope scanner management and category assignments by event

app/Shared/Forms/Services/StaffFormService.php

@@ -10,7 +10,7 @@ use Illuminate\Database\Eloquent\Collection;
 class StaffFormService
 {
     /** @return array{categories: Collection<int, Category>} */
-    public function get(Tenant $tenant): array
+    public function get(Tenant $tenant, ?int $eventId = null): array
     {
         return [
             'categories' => Category::query()
@@ -20,6 +20,8 @@ class StaffFormService
                         ->orWhereHas('catalogItems', fn (Builder $items) => $items
                             ->where('tenant_code', $tenant->codigo));
                 })
+                ->when($eventId !== null, fn (Builder $query) => $query->whereHas(
+                    'catalogItems', fn (Builder $items) => $items->where('tenant_code', $tenant->codigo)->where('event_id', $eventId)))
                 ->orderBy('nombre')
                 ->get(),
         ];