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

src/all-custom/all-custom.vue

@@ -130,20 +130,18 @@ 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"
-          label="文件上传"
-          :maxFileSize="1024 * 1024 * 2"
-          :customRequest
-          :fileLimit="99"
-          :autoUpload="true"
-          :filesToValue="(files) => JSON.stringify(files.map(f => ({ name: f.name, url: f.url })))"
-          :valueToFiles="(value) => JSON.parse(value as string)"
-          value='[{"name":"2KB图片_副本.jpeg","url":"https://picsum.photos/200/300"}]'
-        />
-      </div>
+      <FormKit
+        name="PFileUpload"
+        type="PFileUpload"
+        label="文件上传"
+        :maxFileSize="1024 * 1024 * 2"
+        :customRequest
+        :fileLimit="99"
+        :autoUpload="true"
+        :filesToValue="(files) => JSON.stringify(files.map(f => ({ name: f.name, url: f.url })))"
+        :valueToFiles="(value) => JSON.parse(value as string)"
+        value='[{"name":"2KB图片_副本.jpeg","url":"https://picsum.photos/200/300"}]'
+      />
       <FormKit
         type="PInputPassword"
         name="PInputPassword"