[Bug] On graph series when use emphasis focus: 'adjacency' highlighting by category works wrong

### Version

5.3.3

### Link to Minimal Reproduction

https://echarts.apache.org/examples/en/editor.html?c=graph-label-overlap

### Steps to Reproduce

1) set emphasis options to use focus: 'adjacency'
2) point mouse over different categories

### Current Behavior

some nodes that does not belong to category are highlighted

### Expected Behavior

only nodes that belong to category are highlighted

### Environment

```markdown
- OS:Windows
- Browser:any
```

### Any additional comments?

_No response_