feat: [material] 부적합보고서 morph map 등록

- NonconformingReport 모델 morph map에 'nonconforming_report' 추가

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

app/Providers/AppServiceProvider.php

@@ -5,6 +5,7 @@
 use App\Models\BadDebts\BadDebt;
 use App\Models\Boards\Post;
 use App\Models\Commons\Menu;
+use App\Models\Materials\NonconformingReport;
 use App\Models\Members\User;
 use App\Models\Orders\Client;
 use App\Models\Orders\Order;
@@ -62,6 +63,7 @@ public function boot(): void
         Relation::enforceMorphMap([
             'user' => User::class,
             'post' => Post::class,
+            'nonconforming_report' => NonconformingReport::class,
         ]);
 
         // DB::enableQueryLog();