vim: Combine match arms in `Mode::is_visual` (#25675)

This PR refactors the `Mode::is_visual` implementation to combine some
of the `match` arms.

Release Notes:

- N/A

Marshall Bowers committed 1y ago

c53020ceafd33c63ee67e180505fa51124d1cba7

Parent: eeac1a9

Committed by GitHub <noreply@github.com> on 2/26/2025, 7:45:04 PM