fix(admin): 迁移 antd v6 弃用 API 并清理控制台警告

- Card bordered -> variant；Modal maskClosable -> mask.closable
- InputNumber addonBefore/After -> prefix/suffix；Statistic valueStyle -> styles.content
- Alert message -> title；Steps items.description -> items.content
- 移除考勤页未挂载 Form 上的 setFieldsValue，消除 useForm 警告

apps/admin/src/components/JinshujuMatchModal.tsx

@@ -329,7 +329,7 @@ const JinshujuMatchModal: React.FC<MatchModalProps> = ({ open, onClose, onApplie
       open={open && canEnterModal}
       onCancel={handleClose}
       width={step === 'match' || step === 'applying' ? 900 : 640}
-      maskClosable={false}
+      mask={{ closable: false }}
       footer={
         step === 'connection'
           ? [