refactor: 优化 PFileUpload 组件的结构，移除多余的包装 div

src/all-custom/all-custom.vue

@@ -130,10 +130,9 @@ const customRequest: CustomRequest = (async ({ file, onProgress, }) => {
         validation="required"
       >
       </FormKit>
-      <div class="border border-dashed border-gray-300 p-4 rounded-md">
       <FormKit
-          type="PFileUpload"
         name="PFileUpload"
+        type="PFileUpload"
         label="文件上传"
         :maxFileSize="1024 * 1024 * 2"
         :customRequest
@@ -143,7 +142,6 @@ const customRequest: CustomRequest = (async ({ file, onProgress, }) => {
         :valueToFiles="(value) => JSON.parse(value as string)"
         value='[{"name":"2KB图片_副本.jpeg","url":"https://picsum.photos/200/300"}]'
       />
-      </div>
       <FormKit
         type="PInputPassword"
         name="PInputPassword"