[ Specification Change ] Change list style selector for side navigation

[kurudrive]

関連 issue

https://github.com/vektor-inc/x-t9/issues/147

確認方法

以下のコードを貼り付けて vk_list_クラスあり無しでデザインに違いが出ない事を確認

<!-- wp:heading -->
<h2 class="wp-block-heading">vk_list_クラスありUL</h2>
<!-- /wp:heading -->

<!-- wp:list {"backgroundColor":"cyan-bluish-gray","className":"is-style-vk-frown-mark  vk_block-margin-sm\u002d\u002dmargin-top my-additional-list-class","color":"#34319f"} -->
<ul class="is-style-vk-frown-mark vk_block-margin-sm--margin-top my-additional-list-class has-cyan-bluish-gray-background-color has-background"><!-- wp:list-item -->
<li>リスト1</li>
<!-- /wp:list-item -->

<!-- wp:list-item -->
<li>リスト2</li>
<!-- /wp:list-item --></ul>
<!-- /wp:list -->

<!-- wp:heading -->
<h2 class="wp-block-heading">vk_list_クラスありOL</h2>
<!-- /wp:heading -->

<!-- wp:list {"ordered":true,"backgroundColor":"cyan-bluish-gray","className":"is-style-vk-frown-mark  vk_block-margin-sm\u002d\u002dmargin-top my-additional-list-class","color":"#34319f"} -->
<ol class="is-style-vk-frown-mark vk_block-margin-sm--margin-top my-additional-list-class has-cyan-bluish-gray-background-color has-background"><!-- wp:list-item -->
<li>リスト1</li>
<!-- /wp:list-item -->

<!-- wp:list-item -->
<li>リスト2</li>
<!-- /wp:list-item --></ol>
<!-- /wp:list -->

<!-- wp:heading -->
<h2 class="wp-block-heading">vk_list_クラスなしUL</h2>
<!-- /wp:heading -->

<!-- wp:list {"backgroundColor":"cyan-bluish-gray","className":"is-style-vk-frown-mark vk_block-margin-sm\u002d\u002dmargin-top"} -->
<ul class="is-style-vk-frown-mark vk_block-margin-sm--margin-top has-cyan-bluish-gray-background-color has-background"><!-- wp:list-item -->
<li>リスト1</li>
<!-- /wp:list-item -->

<!-- wp:list-item -->
<li>リスト2</li>
<!-- /wp:list-item --></ul>
<!-- /wp:list -->

<!-- wp:heading -->
<h2 class="wp-block-heading">vk_list_クラスなしOL</h2>
<!-- /wp:heading -->

<!-- wp:list {"ordered":true,"backgroundColor":"cyan-bluish-gray","className":"is-style-vk-frown-mark vk_block-margin-sm\u002d\u002dmargin-top"} -->
<ol class="is-style-vk-frown-mark vk_block-margin-sm--margin-top has-cyan-bluish-gray-background-color has-background"><!-- wp:list-item -->
<li>リスト1</li>
<!-- /wp:list-item -->

<!-- wp:list-item -->
<li>リスト2</li>
<!-- /wp:list-item --></ol>
<!-- /wp:list -->