refac: 변경한 DTO에 따라 코드 수정

- Spatie/DataTransferObject 대비
  - MapFrom,MapTo -> RawName
  - Strict -> 항상
     - 심지어 raw type도 더 까다롭게
  - array에 MapConverter 적용
  - NullIsUndefined 적용
  - 빈 nullable arg자리에 null 강제 지정
- Vue3에 v-model.number 지정
  - input type="number" 기준

hwe/sammo/DTO/VoteInfo.php

@@ -2,23 +2,18 @@
 
 namespace sammo\DTO;
 
-use Spatie\DataTransferObject\Attributes\CastWith;
-use Spatie\DataTransferObject\Attributes\Strict;
-use Spatie\DataTransferObject\DataTransferObject;
-use Spatie\DataTransferObject\Casters\ArrayCaster;
-
-//https://json2dto.atymic.dev/
-
-#[Strict]
-class VoteInfo extends DataTransferObject
+class VoteInfo extends DTO
 {
-	public int $id;
-  public string $title;
-  public int $multipleOptions;
+  public function __construct(
+    public int $id,
+    public string $title,
+    public int $multipleOptions,
 
-  public string $startDate;
-  public ?string $endDate;
+    public string $startDate,
+    public ?string $endDate,
 
-  /** @var string[] */
-  public array $options;
+    /** @var string[] */
+    public array $options,
+  ) {
+  }
 }