fix: Add shadow property to PowerSelect

[divyamtayal]

Fixes #5675

Short description of what this resolves:

Add shadow property to PowerSelect making alike with UiDropdown

[vercel]

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[divyamtayal]

@iamareebjamal Please see the changes

[codecov]

Codecov Report

Merging #5684 (a2e9b85) into development (a067e20) will not change coverage.
The diff coverage is n/a.

@@             Coverage Diff              @@
##           development    #5684   +/-   ##
============================================
  Coverage        23.72%   23.72%           
============================================
  Files              498      498           
  Lines             5277     5277           
  Branches            47       47           
============================================
  Hits              1252     1252           
  Misses            4017     4017           
  Partials             8        8           

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