边上工具添加source-arrowhead后，导致鼠标移出的时边的label值无法保存

[zydemail]

Describe the bug

添加了source-arrowhead工具，但是鼠标移出的时已有的edge-editor也没了，知道怎么解决吗？

Your Example Website or App

https://codesandbox.io/p/sandbox/elegant-roentgen-clkcrx?file=%2Findex.ts%3A144%2C1

Steps to Reproduce the Bug or Issue

    graph.on('edge:mouseenter', ({ cell }) => {
      if (!cell.hasTool('source-arrowhead'))  {
        cell.addTools('source-arrowhead')
      }
      if (!cell.hasTool('target-arrowhead')) {
        cell.addTools('target-arrowhead')
      }
    })
    graph.on('edge:mouseleave', ({ cell }) => {
      if(cell.hasTool('source-arrowhead')) {
        cell.removeTool('source-arrowhead')
      }
      if(cell.hasTool('target-arrowhead')) {
        cell.removeTool('target-arrowhead')
      }
    })

Expected behavior

预期边的label值能保存

Screenshots or Videos

No response

Platform

pc端chrome浏览器

Additional context

No response

[x6-bot]

👋 @zydemail

Thanks for opening your first issue here! If you're reporting a 🐞 bug, please make sure you include steps to reproduce it.
To help make it easier for us to investigate your issue, please follow the contributing guidelines.
We get a lot of issues on this repo, so please be patient and we will get back to you as soon as we can.