style: format final security fixes

Record the repository formatter's deterministic layout for the catalog-preflight helper and handshake-window assertion.

Test Plan:
- just fmt
- just clippy
- just test
- git diff --check

crates/lanspread-peer/src/services/server.rs

@@ -799,10 +799,7 @@ mod tests {
         }
         assert!(!limiter.admit(flood, now));
         assert!(limiter.admit(healthy, now));
-        assert!(limiter.admit(
-            flood,
-            now + crate::config::QUIC_HANDSHAKE_TIMEOUT
-        ));
+        assert!(limiter.admit(flood, now + crate::config::QUIC_HANDSHAKE_TIMEOUT));
     }
 
     #[test]