style: rustfmt the appgate, federation and manifest changes

The release gate runs cargo fmt --check and these were hand-written.

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

core/archipelago/src/federation/sync.rs

@@ -380,7 +380,7 @@ mod tests {
     fn build_local_state_filters_non_trusted_peers() {
         let peers = vec![
             FederatedNode {
-            trust_source: None,
+                trust_source: None,
                 did: "did:key:zTrusted".into(),
                 pubkey: "aa".into(),
                 onion: "t.onion".into(),
@@ -396,7 +396,7 @@ mod tests {
                 last_sync_error_at: None,
             },
             FederatedNode {
-            trust_source: None,
+                trust_source: None,
                 did: "did:key:zObserver".into(),
                 pubkey: "bb".into(),
                 onion: "o.onion".into(),
@@ -412,7 +412,7 @@ mod tests {
                 last_sync_error_at: None,
             },
             FederatedNode {
-            trust_source: None,
+                trust_source: None,
                 did: "did:key:zUntrusted".into(),
                 pubkey: "cc".into(),
                 onion: "u.onion".into(),
@@ -457,7 +457,7 @@ mod tests {
         super::super::storage::save_nodes(
             dir.path(),
             &[FederatedNode {
-            trust_source: None,
+                trust_source: None,
                 did: "did:key:zSource".into(),
                 pubkey: "aa".into(),
                 onion: "source.onion".into(),