* chore: remove redundancy of useSetRecoilState and useRecoilValue with useRecoilState in SearchBar
* refactor: remove unnecessary focus effect on text area in ChatForm
* refactor: improve searchbar and clear search button accessibility
* fix: add tabIndex to Conversations component for improved accessibility, moves focus directly conversation items
* style: adjust margin in Header component for improved layout symmetry with Nav
* chore: imports order