[Bug] version 5.4.1, legendModel.js throw an error with can not read properties of undefined (reading 'name')

[lengyuxian]

Version

5.4.1

Link to Minimal Reproduction

https://github.com/apache/echarts/pull/17510/commits

Steps to Reproduce

1、init the chart
2、options with no name attr
3、throw an error

Current Behavior

throw an error and the chart can not shown

Expected Behavior

no error and can adapt previos version

Environment

- OS:
- Browser:chorme 113.0.5672.127（正式版本） （64 位）
- Framework:

Any additional comments?

No response

[echarts-bot]

@lengyuxian Please provide a demo for the issue either with Official Editor, CodePen, CodeSandbox or JSFiddle.

[github-actions]

This issue has been automatically marked as stale because it did not have recent activity. It will be closed in 7 days if no further activity occurs. If you wish not to mark it as stale, please leave a comment in this issue.

[github-actions]

This issue has been automatically closed because it did not have recent activity. If this remains to be a problem with the latest version of Apache ECharts, please open a new issue and link this to it. Thanks!