🐛[BUG]Schema Form格式的表单，在formList里的date组件，设置了format未生效

提问前先看看：

https://github.com/ryanhanwu/How-To-Ask-Questions-The-Smart-Way/blob/main/README-zh_CN.md

### 🐛 bug 描述

Schema Form格式的表单，在formList里的date日期组件，设置了format为YYYY-MM-DD,提交表单时，格式化未生效

### 🏞 期望结果

正确格式化

### 💻 复现代码

```
{
title: '产品信息',
valueType: 'formList',
dataIndex: 'detailList',
initialValue: [
{
name: '',
deliveryDate: null,
deliveryLocation: '',
},
],
fieldProps: {
alwaysShowItemLabel: true,
},
formItemProps: {
rules: [
{
required: true,
message: '此项为必选项',
},
],
className: 'horizontal-form-list contract-form-list',
},
colProps: {
span: 24,
},
columns: [
{
title: '产品种类',
dataIndex: 'name',
formItemProps: {
rules: [
{
required: true,
message: '此项为必填项',
},
],
},
colProps: {
span: 7,
},
},
{
title: '交货日期',
dataIndex: 'deliveryDate',
valueType: 'date',
width: '100%',
fieldProps: {
format: 'YYYY-MM-DD',
},
formItemProps: {
rules: [
{
required: true,
message: '此项为必填项',
},
],
},
colProps: {
span: 7,
},
},
{
title: '交货地点',
dataIndex: 'deliveryLocation',
colProps: {
span: 7,
},
},
],
},
```

### © 版本信息

- ProComponents 版本: [3.1.3-0]
- 浏览器环境 Google chrome
- 开发环境 [mac OS]

### 🚑 其他信息

Start by reproducing the supplied Schema Form configuration in ProComponents 3.1.3-0, focusing on the date field nested in formList and its submitted value. Compare the result with the expected YYYY-MM-DD format; done means the format is applied when the form is submitted.

Written by the indexing model from the issue text.