debugger/tasks: Remove TaskType enum (#29208)

Closes #ISSUE

Release Notes:

- N/A

---------

Co-authored-by: Cole Miller <m@cole-miller.net>
Co-authored-by: Anthony Eid <hello@anthonyeid.me>
Co-authored-by: Conrad Irwin <conrad.irwin@gmail.com>
Co-authored-by: Anthony <anthony@zed.dev>
Co-authored-by: Conrad <conrad@zed.dev>

crates/collab/src/tests/integration_tests.rs

@@ -1824,6 +1824,8 @@ async fn test_active_call_events(
     server
         .create_room(&mut [(&client_a, cx_a), (&client_b, cx_b)])
         .await;
+    executor.run_until_parked();
+
     let active_call_a = cx_a.read(ActiveCall::global);
     let active_call_b = cx_b.read(ActiveCall::global);