perf(Cascader): apply tree view pattern

[SevenOutman]

Apply tree view pattern to Cascader's popup. For state as shown below

a11y before

a11y after

[vercel]

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[codecov]

Codecov Report

Merging #2492 (7e411e6) into main (69d2db2) will increase coverage by 0.00%.
The diff coverage is 100.00%.

@@           Coverage Diff           @@
##             main    #2492   +/-   ##
=======================================
  Coverage   85.72%   85.73%           
=======================================
  Files         277      277           
  Lines        8695     8698    +3     
  Branches     2441     2444    +3     
=======================================
+ Hits         7454     7457    +3     
  Misses        653      653           
  Partials      588      588           

Flag	Coverage Δ
ChromeCi	85.73% <100.00%> (+<0.01%)	⬆️
Firefox	85.72% <100.00%> (+<0.01%)	⬆️

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Impacted Files	Coverage Δ
src/Cascader/DropdownMenu.tsx	89.55% <100.00%> (+0.48%)	⬆️

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