Make the gpui_tokio crate generic over the context it spawns (#23995)

Part of  #21092

Makes `Tokio::spawn` generic over any `AppContext`.

Also removes a stray `model_context` I missed

Release Notes:

- N/A

Mikayla Maki committed 1y ago

517e519bdcc868d94a130e913403e5b2db4a59a3

Parent: ff43b68

Committed by GitHub <noreply@github.com> on 1/31/2025, 2:00:55 AM