gpui: Fix `pattern` example (#23786)

This PR fixes the `pattern` example, which was merged in
https://github.com/zed-industries/zed/pull/23576 without being updated
with the new GPUI changes.

Release Notes:

- N/A

Marshall Bowers committed 1y ago

47dcbdfe51083e621e56d6a6b5bf28f0749532b4

Parent: 2367298

Committed by GitHub <noreply@github.com> on 1/28/2025, 5:02:57 PM