fix: Duplicate results-processing loop removed from search_items(#1631)

[Aditi-Singh-14]

Pull-Request

Why

Fixed an issue in the search_items logic where a duplicate results-processing loop was silently overriding output data and dropping keys.

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Related issue linked

issue: #1631

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What changed

• Corrected the loop processing to prevent data overwrites.
• Ensured all expected keys are preserved in the final search_items output.
• Restored accidentally deleted datasets/books.csv file to the local workspace environment.

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Status

• Tested locally
• Code committed and pushed to fix/search-items-loop

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[Aditi-Singh-14]

hi @leonagoel
I've resolve all the merge conflicts and made necessary changes to pass the CI tests..
looking forward for your review!
thank you