fix(conditionBuilder): address issues inside conditionBuilder popover

[amal-k-joy]

Closes #6402

• Cannot type in to the search box to filter the list.
• Dropdown auto closes after every time a checkbox is selected
• Corrected a corrupt data for a storybook story

What did you change?

• Removed preventDefault from search input. This will give carbon search input behaviour , which is to clear any search text on Escape keypress rather than closing the popover.
• StopPropogation on checkbox icon click to prevent closing

How did you test and verify your work?

local

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[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 1 line in your changes missing coverage. Please review.

Project coverage is 79.60%. Comparing base (365c310) to head (750c73d).
Report is 24 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #6421      +/-   ##
==========================================
+ Coverage   79.57%   79.60%   +0.02%     
==========================================
  Files         394      394              
  Lines       12840    12858      +18     
  Branches     4253     4264      +11     
==========================================
+ Hits        10217    10235      +18     
  Misses       2623     2623              

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