tooltip getContent方法无法识别HTMLElement #6135

Describe the bug / 问题描述

tooltip getContent方法无法识别HTMLElement

Reproduction link / 重现链接

https://codesandbox.io/s/7p2zlq?file=/index.js

Steps to Reproduce the Bug or Issue / 重现步骤

<img width="1478" alt="image" src="https://github.com/user-attachments/assets/3a18b670-098d-4c3b-8a81-49c40c8e75d7"> 这个地方demo的链接会有 <img width="547" alt="image" src="https://github.com/user-attachments/assets/67cabe3a-6445-4bf6-bd12-fa298b186709">

G6 Version / G6 版本

🆕 5.x

Operating System / 操作系统

macOS

Browser / 浏览器

Chrome

Additional context / 补充说明

No response