[Bug] null value for radar series

### Version

5.2.2

### Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?c=line-simple

### Steps to Reproduce

option = {
radar: {
// shape: 'circle',
indicator: [
{ name: 'Sales', max: 400 },
{ name: 'Administration', max: 400 },
{ name: 'Information Technology', max: 400 },
{ name: 'Customer Support', max: 400 },
{ name: 'Development', max: 400 },
{ name: 'Marketing', max: 400 }
]
},
series: [
{
type: 'radar',
data: [
{value: [150, undefined , 224, null, 135, 50]}
]
}
]
};


### Current Behavior

null，undefined当成了0来处理。

### Expected Behavior

null，undefined直接按空值来处理，连线断开

### Environment

```markdown
- OS:
- Browser:
- Framework:
```

### Any additional comments?

_No response_