style: descriptions style update

[chenshuai2144]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update
• Component style update
• TypeScript definition update
• Refactoring
• Code style optimization
• Test Case
• Branch merge
• Other (about what?)

🔗 Related issue link

💡 Background and solution

descriptions 非 border 模式下 的 padding 不会跟着 size 走。在 pageheader 中 16 有点大。但是不能用 border 模式。这个 pr 修复了这个问题

📝 Changelog

Language	Changelog
🇺🇸 English	The size of Descriptions now controls the padding-bottom of Descriptions.Item
🇨🇳 Chinese	Descriptions 的 size 现在会控制 Descriptions.Item 的 padding-bottom

☑️ Self Check before Merge

• Doc is updated/provided or not needed
• Demo is updated/provided or not needed
• TypeScript definition is updated/provided or not needed
• Changelog is provided or not needed

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View rendered components/steps/demo/nav.md
View rendered components/steps/demo/simple.md
View rendered components/steps/index.en-US.md
View rendered components/steps/index.zh-CN.md
View rendered docs/react/i18n.en-US.md
View rendered docs/react/i18n.zh-CN.md

[tests-checker]

Could you please add tests to make sure this change works as expected?

[tests-checker]

Could you please add tests to make sure this change works as expected?

[netlify]

Deploy preview for ant-design ready!

Built with commit 515a4d6

https://deploy-preview-18270--ant-design.netlify.com

[afc163]

Descriptions的 size 将会控制 item 的 padding-bottom

这个 changelog 有点看不懂。

💡 Background and solution

写一下解决什么问题。

[zombieJ]

没看出来和 https://ant.design/components/descriptions-cn/#components-descriptions-demo-size 的变化，加个 demo？

[codecov]

Codecov Report

Merging #18270 into feature will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           feature   #18270      +/-   ##
===========================================
- Coverage    96.33%   96.29%   -0.04%     
===========================================
  Files          278      278              
  Lines         7529     7529              
  Branches      2077     2091      +14     
===========================================
- Hits          7253     7250       -3     
- Misses         274      277       +3     
  Partials         2        2

Impacted Files	Coverage Δ
components/_util/wave.tsx	85.57% <0%> (-2.89%)	⬇️

---

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Δ = absolute <relative> (impact), ø = not affected, ? = missing data
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[codecov]

Codecov Report

Merging #18270 into feature will decrease coverage by 0.03%.
The diff coverage is n/a.

@@             Coverage Diff             @@
##           feature   #18270      +/-   ##
===========================================
- Coverage    96.33%   96.29%   -0.04%     
===========================================
  Files          278      278              
  Lines         7529     7529              
  Branches      2077     2091      +14     
===========================================
- Hits          7253     7250       -3     
- Misses         274      277       +3     
  Partials         2        2

Impacted Files	Coverage Δ
components/_util/wave.tsx	85.57% <0%> (-2.89%)	⬇️

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update 19fc777...515a4d6. Read the comment docs.