feat: add footer property to Drawer

[deanvanniekerk]

🤔 This is a ...

• New feature
• Bug fix
• Site / document update

🔗 Related issue link

feature request - Drawer footer support

previous PR: #19779
close #15204

💡 Background and solution

I propose a solution to add a dedicated footer property on the Drawer component. This solution allows for a 'fixed' footer and title.

📝 Changelog

• Add footer property to Drawer

Language	Changelog
🇺🇸 English	Add footer property to Drawer
🇨🇳 Chinese	将页脚属性添加到抽屉

☑️ 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/drawer/demo/form-in-drawer.md
View rendered components/drawer/index.en-US.md
View rendered components/drawer/index.zh-CN.md

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View rendered components/drawer/demo/form-in-drawer.md
View rendered components/drawer/demo/multi-level-drawer.md
View rendered components/drawer/index.en-US.md
View rendered components/drawer/index.zh-CN.md

[tests-checker]

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

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[codecov]

Codecov Report

Merging #20690 into master will increase coverage by 0.03%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master   #20690      +/-   ##
==========================================
+ Coverage   97.54%   97.57%   +0.03%     
==========================================
  Files         295      295              
  Lines        6836     6839       +3     
  Branches     1898     1854      -44     
==========================================
+ Hits         6668     6673       +5     
+ Misses        168      166       -2

Impacted Files	Coverage Δ
components/drawer/index.tsx	98.78% <100%> (+0.09%)	⬆️
components/progress/Steps.tsx	100% <0%> (+12.5%)	⬆️

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