[Bug] Shadow properties like `shadowBlur` removes the line on the SVG graph
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bug
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pending
SVG
- Dominant language
- TypeScript
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Description
### Version
5.2.2
### Link to Minimal Reproduction
https://codesandbox.io/s/smoothed-line-chart-forked-fsv8pp?file=/index.js
### Steps to Reproduce
1. Open the link to minimal reproduction
2. See the comment there
### Current Behavior
The SVG graph hides the line when the `series.data` have all the same value and when it has `shadow*` properties like `shadowBlur`
### Expected Behavior
The SVG graph should display the line when the `series.data` have all the same value and when it has `shadow*` properties like `shadowBlur`
### Environment
```markdown
- OS: Windows 10
- Browser: MS Edge 104.0.1293.47
```
### Any additional comments?
It works when using the canvas as the renderer
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Assessment
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