fix(API): CommonCode 라벨 조회 시 테넌트 스코프 적용

- getLabel(), getCodeMap()에서 withoutGlobalScopes() → query()로 변경
- BelongsToTenant 스코프가 적용되어 테넌트별 공통코드 정상 조회

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

app/Models/Products/CommonCode.php

@@ -59,7 +59,7 @@ public static function getLabel(string $codeGroup, ?string $code): string
             return '';
         }
 
-        $commonCode = static::withoutGlobalScopes()
+        $commonCode = static::query()
             ->where('code_group', $codeGroup)
             ->where('code', $code)
             ->where('is_active', true)
@@ -76,7 +76,7 @@ public static function getLabel(string $codeGroup, ?string $code): string
      */
     public static function getCodeMap(string $codeGroup): array
     {
-        return static::withoutGlobalScopes()
+        return static::query()
             ->where('code_group', $codeGroup)
             ->where('is_active', true)
             ->orderBy('sort_order')