style: cargo fmt for v1.7.99-alpha release gate

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>

core/archipelago/src/api/rpc/fedimint.rs

@@ -69,20 +69,23 @@ impl RpcHandler {
         let federation_id = client.join(invite_code).await?;
 
         // Try to label it from the federation meta (best-effort).
-        let name = client
-            .info()
-            .await
-            .ok()
-            .and_then(|i| {
-                i.get(&federation_id)
-                    .and_then(|e| e.get("meta"))
-                    .and_then(|m| m.get("federation_name").or_else(|| m.get("federation_expiry_timestamp")))
-                    .and_then(|v| v.as_str())
-                    .map(|s| s.to_string())
-            });
+        let name = client.info().await.ok().and_then(|i| {
+            i.get(&federation_id)
+                .and_then(|e| e.get("meta"))
+                .and_then(|m| {
+                    m.get("federation_name")
+                        .or_else(|| m.get("federation_expiry_timestamp"))
+                })
+                .and_then(|v| v.as_str())
+                .map(|s| s.to_string())
+        });
 
         let mut reg = fedimint_client::load_registry(&self.config.data_dir).await?;
-        if !reg.federations.iter().any(|f| f.federation_id == federation_id) {
+        if !reg
+            .federations
+            .iter()
+            .any(|f| f.federation_id == federation_id)
+        {
             reg.federations.push(JoinedFederation {
                 federation_id: federation_id.clone(),
                 name,