feat: support raw str for root cssobject

[zombieJ]

• 如果是顶层提供 string 作为 cssinjs 配置会直接作用，以支持 layer 优先级配置。
• 修复 hashedId 对于 element selector 适配问题（如 .hashIdp => p.hashId）
• LayerName 定义时支持配置顺序（shared, ant-btn）

[github-actions]

🎊 PR Preview 1da882e has been successfully built and deployed to https://ant-design-cssinjs-preview-pr-43.surge.sh

🕐 Build time: 376.076s

_{🤖 By surge-preview}

[codecov-commenter]

Codecov Report

Merging #43 (8fd26cb) into master (eff5ced) will increase coverage by 0.30%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master      #43      +/-   ##
==========================================
+ Coverage   94.18%   94.49%   +0.30%     
==========================================
  Files          11       11              
  Lines         447      454       +7     
  Branches      145      148       +3     
==========================================
+ Hits          421      429       +8     
+ Misses         26       25       -1     

Impacted Files	Coverage Δ
src/hooks/useStyleRegister.tsx	100.00% <100.00%> (+0.86%)	⬆️

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