[v5.0.1] polyline中如果controlPoints未undfined,绘制不出边 #5849

Describe the bug / 问题描述

bad good

Reproduction link / 重现链接

https://stackblitz.com/edit/react-zh29y4?file=index.js

Steps to Reproduce the Bug or Issue / 重现步骤

No response

G6 Version / G6 版本

🆕 5.x

Operating System / 操作系统

Windows

Browser / 浏览器

Chrome

Additional context / 补充说明

希望没有controlPoints也能正常绘制