fix(dashboard): Show DC in the node label/name (#406)

rs/ic-management-backend/src/node_labels.rs

@@ -42,7 +42,7 @@ pub async fn query_guests(network: &String) -> anyhow::Result<Vec<Guest>> {
  Guest {
  datacenter: dc.to_string(),
  ipv6: ip.parse().unwrap(),
- name: label.to_string(),
+ name: format!("{}-{}", dc, label),
  dfinity_owned: DFINITY_DCS.contains(dc),
  decentralized: true,
  }