[Bug] Wrong line area when dataset.dimension[].name is empty string

[Justin-ZS]

Version

5.6.0

Link to Minimal Reproduction

demo

Steps to Reproduce

see the demo

Current Behavior

Expected Behavior

  dataset: [
    {
      dimensions: [
        {
          name: '', // changing to ' ' can fix but why ???
        }
      ],
    }
  ]

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

No response