fix(CommentsView): 移除固定高度并添加滚动条以改善用户体验

refactor(listComments): 简化评论排序逻辑

移除CommentsView中的固定高度限制并添加overflow-y属性，使内容可滚动
修改listComments的SQL查询，去除priority排序以简化逻辑

cwd-admin/src/views/CommentsView.vue

@@ -921,13 +921,13 @@ onMounted(() => {
   box-shadow: 0 8px 24px rgba(0, 0, 0, 0.2);
   width: 100%;
   max-width: 600px;
-  height: 100vh;
   padding: 20px 20px 24px;
   display: flex;
   flex-direction: column;
   gap: 16px;
   transform: translateX(0);
   animation: drawer-in 0.2s ease-out;
+  overflow-y: auto;
 }
 
 .modal-title {

cwd-api/src/api/admin/listComments.ts

@@ -27,7 +27,7 @@ export const listComments = async (c: Context<{ Bindings: Bindings }>) => {
 		.first<{ count: number }>();
 
 	const { results } = await c.env.CWD_DB.prepare(
-		`SELECT * FROM Comment ${whereSql} ORDER BY priority DESC, created DESC LIMIT ? OFFSET ?`
+		`SELECT * FROM Comment ${whereSql} ORDER BY created DESC LIMIT ? OFFSET ?`
 	)
 		.bind(...params, limit, offset)
 		.all();