Do not remove worktrees after the headless server removal (#19556)

Release Notes:

- N/A

Co-authored-by: Conrad Irwin <conrad@zed.dev>

crates/project/src/lsp_store.rs

@@ -1029,6 +1029,7 @@ impl LspStore {
                 })
                 .detach()
             }
+            WorktreeStoreEvent::WorktreeReleased(..) => {}
             WorktreeStoreEvent::WorktreeRemoved(_, id) => self.remove_worktree(*id, cx),
             WorktreeStoreEvent::WorktreeOrderChanged => {}
             WorktreeStoreEvent::WorktreeUpdateSent(worktree) => {