[Bug] tooltip setting rich and formatter is invalid

[jingxiawl]

Version

5.3.2

Link to Minimal Reproduction

https://echarts.apache.org/examples/zh/editor.html?c=area-basic

Steps to Reproduce

配置项设置 tooltip:{
trigger:"axis",
renderMode: "richText",
rich: {
a:{
color:'#fff'
}
},
formatter:'{a|测试样式}',
},

Current Behavior

tooltip样式未修改

Expected Behavior

tooltip样式修改为红色

Environment

- OS:
- Browser:
- Framework:

Any additional comments?

设置tooltip的formatter与rich属性，结果没有生效rich样式。

[helgasoft]

not-a-bug, duplicate of #18339
Tooltip API does not support rich and formatter:{a|text}.
Use textStyle:{color:'red', fontSize:55, etc.} instead.