New multi workspace (#47795)

It's happeningggggg

Release Notes:

- Changed the Agent Panel so that the Active Thread is restored on
restart.

---------

Co-authored-by: Claude Opus 4.5 <noreply@anthropic.com>
Co-authored-by: Danilo Leal <daniloleal09@gmail.com>
Co-authored-by: Anthony Eid <anthony@zed.dev>
Co-authored-by: Danilo Leal <67129314+danilo-leal@users.noreply.github.com>
Co-authored-by: Richard Feldman <richard@zed.dev>
Co-authored-by: Zed Zippy <234243425+zed-zippy[bot]@users.noreply.github.com>

crates/git_ui/src/commit_view.rs

@@ -774,7 +774,7 @@ impl CommitView {
                 callback(repo, &sha, stash, commit_view_entity, workspace_weak, cx).await?;
                 anyhow::Ok(())
             })
-            .detach_and_notify_err(window, cx);
+            .detach_and_notify_err(workspace.weak_handle(), window, cx);
     }
 
     async fn close_commit_view(