Remove the `SwitchWithLabel` component (#23240)

This PR removes the `SwitchWithLabel` component because we're adding
`label` as a method to `Switch`. Thus, we no longer need an extra
component just to append a label. Additionally, we're also adding
`keybinding` as a method.

Release Notes:

- N/A

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Co-authored-by: Agus Zubiaga <hi@aguz.me>