fix : Issue#754

[Tiru-99]

PR Fixes:

• 1 Memoized the Fuse instance to avoid recreating it on every render.
• 2 Updated the dependency array of the fetchSearchResults() function to ensure it reacts to the correct changes.

Resolves #754

Checklist before requesting a review

• ✅ I have performed a self-review of my code
• ✅ I assure there is no similar/duplicate pull request regarding same issue