fix: Inline ssr logic

[zombieJ]

Inline level use context to get key directly.

ref ant-design/ant-design#30382 (comment)

[codecov]

Codecov Report

Merging #387 (96a171f) into master (ee03a8b) will increase coverage by 0.00%.
The diff coverage is 100.00%.

❗ Current head 96a171f differs from pull request most recent head 725772c. Consider uploading reports for the commit 725772c to get more accurate results

@@           Coverage Diff           @@
##           master     #387   +/-   ##
=======================================
  Coverage   99.83%   99.83%           
=======================================
  Files          24       24           
  Lines         610      611    +1     
  Branches      150      151    +1     
=======================================
+ Hits          609      610    +1     
  Misses          1        1           

Impacted Files	Coverage Δ
src/Divider.tsx	100.00% <ø> (ø)
src/Menu.tsx	100.00% <100.00%> (ø)
src/MenuItem.tsx	100.00% <100.00%> (ø)
src/MenuItemGroup.tsx	100.00% <100.00%> (ø)
src/SubMenu/index.tsx	100.00% <100.00%> (ø)
src/context/PathContext.tsx	100.00% <100.00%> (ø)

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