文字框选或者高亮后，间距不正确

[fionazs]

version

Link to minimal reproduction

No response

Steps to reproduce

1：先输入文字，再框选后设置字号，框选文字的高亮背景正确。
2：先设置字号，再输入文字后，框选文字的高亮背景间距不正确，没有上下居中展示。

What is expected?

两种场景输入文字后，都能够上下居中展示

What is actually happening?

Editor Value

No response

System Info

No response

Any additional comments?

No response