[Bug]: OrganizationChart 无法实现折叠功能

[805808786]

Describe the bug / 问题描述

https://ant-design-charts.antgroup.com/components/graphs/organization-chart#docs-components-graphs-organization-chart-demo-collapse-expand

官方文档中，OrganizationChart自定义收起图标的demo没有渲染出自定义图标，且无法实现子节点折叠功能

Reproduction link / 复现链接

https://ant-design-charts.antgroup.com/components/graphs/organization-chart#docs-components-graphs-organization-chart-demo-collapse-expand

Steps to Reproduce the Bug or Issue / 重现步骤

No response

Version / 版本

2.6.0

OS / 操作系统

• macOS
• Windows
• Linux
• Others / 其他

Browser / 浏览器

• Chrome
• Edge
• Firefox
• Safari (Limited support / 有限支持)
• IE (Nonsupport / 不支持)
• Others / 其他

[yvonneyx]

这边排查一下