Refactor the Cell component into a styled component


The `Cell` component has a style prop to accept styles from `react-window` + more inline styles were added in this PR https://github.com/ClickHouse/click-ui/pull/537

The component needs to be refactored to use styled components per this comment:
https://github.com/ClickHouse/click-ui/pull/537#discussion_r1950894166