docs: fix search input stylings

[amareshsm]

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• I have read the contributing guidelines.

What is the purpose of this pull request? (put an "X" next to an item)

[ ] Documentation update
[ ] Bug fix (template)
[ ] New rule (template)
[ ] Changes an existing rule (template)
[ ] Add autofix to a rule
[ ] Add a CLI option
[ ] Add something to the core
[x] Other, please explain:
fix search input styles

What changes did you make? (Give an overview)

Changes made:

1. Fixed the search text overlapping with the close icon
2. Correct the position of the close icon
3. Adjusted the positioning of the search results dropdown

Before	After

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[mdjermanovic]

LGTM, thanks!