fix: searchbox description not showing when highlight text doesn't match

[siddharthlatest]

This PR fixes the searchbox description not showing when the search value isn't present in the description text. Suggestion description should show up regardless of it matching the search text.

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• [x] Describe the proposed changes and how it'll improve the docs experience
• [x] Please make sure that there are no indentation errors with rendering the docs

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🔍 Inspect: https://vercel.com/reactivesearch/docs/2p3qUZ3ZS2gzterVnnDrLSMwxX3v
✅ Preview: https://docs-git-fix-search-description-reactivesearch.vercel.app