breadcrumbs: Use early return in `set_active_pane_item` (#14691)

This PR refactors the `set_active_pane_item` implementation for
`Breadcrumbs` to use an early return to avoid indenting the method body
more than necessary.

Release Notes:

- N/A
457da7b27cMarshall Bowers committed on 7/17/2024, 10:58:44 PM· committed by GitHubparenta242463
1 file changedLine totals unavailable