描述 Descriptions组件DescriptionItem Props，label-class不生效

[mysllove]

Describe the bug

描述 Descriptions组件DescriptionItem Props，label-class不生效

Steps to reproduce

https://www.naiveui.com/zh-CN/os-theme/components/descriptions#DescriptionItem-Props

Link to minimal reproduction

https://www.naiveui.com/zh-CN/os-theme/components/descriptions#DescriptionItem-Props

System Info

mac

Used Package Manager

npm

Validations

• [X] Read the Contributing Guidelines.
• [X] Read the docs.
• [X] Check that there isn't already an issue that reports the same bug to avoid creating a duplicate.
• [X] Check that this is a concrete bug. For Q&A open a GitHub Discussion.
• [X] The provided reproduction is a minimal reproducible example of the bug.