<br/> tag does not work on label emphasis formatter

[daniellycosta]

Version

4.3.0

Reproduction link

https://codepen.io/daniellycosta/pen/MWWqxPr

Steps to reproduce

It's just put a formatter using <br/> outside tooltip like in the example below

label: { 
    normal: {
        show: false,
        position: 'center'
     },
     emphasis: {
        show: true,
        formatter: "{b} <br/> {d}%",
        textStyle: {
        fontSize: '30',
        fontWeight: 'bold',
                        
         }
      }
 }

What is expected?

break line

What is actually happening?

show <br/> tag

---

I tested using my application and using apache site example

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[SnailSword]

https://www.echartsjs.com/en/option.html#series-pie.emphasis.label.formatter
You can use \n to break line.