refactor: Form.Item with pure children will only render once

[zombieJ]

🤔 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

resolve #21987

💡 Background and solution

📝 Changelog

Language	Changelog
🇺🇸 English	Refactor Form.Item render logic that will only render once when children is a pure component.
🇨🇳 Chinese	重构 Form.Item 渲染逻辑以使其子元素为纯组件时值变更只会渲染一次。

☑️ Self Check before Merge

⚠️ Please check all items below before review. ⚠️

• 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

[tests-checker]

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

[ant-design-bot]

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[codecov]

Codecov Report

Merging #21991 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #21991      +/-   ##
==========================================
+ Coverage   97.93%   97.93%   +<.01%     
==========================================
  Files         306      306              
  Lines        7022     7030       +8     
  Branches     1934     1891      -43     
==========================================
+ Hits         6877     6885       +8     
  Misses        145      145

Impacted Files	Coverage Δ
components/form/FormItem.tsx	99.13% <100%> (+0.06%)	⬆️

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[afc163]

和 #21976 有没有关系。