feat(MultiAddSelect): add floating ui to sort and filter buttons

[devadula-nandan]

Closes #6328

Blocked until there is an option to render icons / checkboxes in v12 OverflowMenu

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[codecov]

Codecov Report

Attention: Patch coverage is 55.55556% with 4 lines in your changes missing coverage. Please review.

Project coverage is 79.58%. Comparing base (1fe4d81) to head (ed0a84a).

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6389      +/-   ##
==========================================
- Coverage   79.59%   79.58%   -0.01%     
==========================================
  Files         394      394              
  Lines       12840    12840              
  Branches     4253     4253              
==========================================
- Hits        10220    10219       -1     
- Misses       2620     2621       +1     

Components	Coverage Δ
ibm-products	∅ <ø> (∅)
ibm-products-web-components	∅ <ø> (∅)