refactor(comp:*): refactor popper initialization logic of overlay

[sallerli1]

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• Tests for the changes have been added/updated or not needed
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What is the current behavior?

What is the new behavior?

Other information

整理overlay的popper初始化相关逻辑，不改变原有功能

[idux-bot]

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[codecov]

Codecov Report

Merging #1304 (9723533) into main (3d8a5c3) will decrease coverage by 0.00%.
The diff coverage is 84.78%.

@@            Coverage Diff             @@
##             main    #1304      +/-   ##
==========================================
- Coverage   93.04%   93.04%   -0.01%     
==========================================
  Files         322      322              
  Lines       29824    29862      +38     
  Branches     3366     3371       +5     
==========================================
+ Hits        27750    27784      +34     
- Misses       2074     2078       +4     

Impacted Files	Coverage Δ
...ckages/components/_private/overlay/src/Overlay.tsx	95.52% <84.78%> (-1.11%)	⬇️

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