fix deadlock for ghost nodes

src/data.rs

@@ -207,7 +207,9 @@ impl BrainData {
         mut req: grpc::NewVmRequest,
         tx: OneshotSender<grpc::NewVmConfirmation>,
     ) {
-        req.uuid = uuid::Uuid::new_v4().to_string();
+        let uuid = uuid::Uuid::new_v4().to_string();
+
+        req.uuid = uuid.clone();
         info!("Inserting new vm request in memory: {req:?}");
         self.tmp_vmrequests
             .insert(req.uuid.clone(), (req.clone(), tx));
@@ -223,6 +225,14 @@ impl BrainData {
                     "Daemon {} RX dropped before sending update. Cleaning memory...",
                     req.node_pubkey
                 );
+                self.submit_vmconfirmation(grpc::NewVmConfirmation {
+                    error: "Daemon is offline.".to_string(),
+                    uuid,
+                    exposed_ports: Vec::new(),
+                    public_ipv4: "".to_string(),
+                    public_ipv6: "".to_string(),
+                })
+                .await;
             }
         }
     }