启用 toolbox 功能导致部分 series 不显示

[elewen]

Version

5.0.0

Reproduction link

https://www.makeapie.com/editor.html?c=xorZIifJCg&v=1

Steps to reproduce

使用 echarts v5.0 运行链接中的代码，然后注释 line 234-239 行代码打开或关闭 toolbox 功能，会发现当 toolbox 打开时，图上 DC1 和 DC2 文字以及背景色无法正常显示

 toolbox: {
        feature: {
            saveAsImage: {},
            restore: {},
        }
    },

• 不开启 toolbox
  
  https://s3.ax1x.com/2020/12/30/rOWkKx.png

• 开启 toolbox
  
  https://s3.ax1x.com/2020/12/30/rOWZVO.png

What is expected?

无论是否打开 toolbox，图表上的 series 都能正常显示

What is actually happening?

注释 line 234-239 行代码打开或关闭 toolbox 功能，会发现当 toolbox 打开时，图上 DC1 和 DC2 文字以及背景色不显示

---

须使用 v5.0 运行以上链接中的代码才能复现此问题，直接使用链接无法复现

[echarts-bot]

Hi! We've received your issue and please be patient to get responded. 🎉
The average response time is expected to be within one day for weekdays.

In the meanwhile, please make sure that you have posted enough image to demo your request. You may also check out the API and chart option to get the answer.

If you don't get helped for a long time (over a week) or have an urgent question to ask, you may also send an email to dev@echarts.apache.org. Please attach the issue link if it's a technical question.

If you are interested in the project, you may also subscribe our mailing list.

Have a nice day! 🍵

[susiwen8]

Cannot reproduce with 5.1.2. I think it has been fixed by #15015, which has been released in 5.1.2.