style: apply rustfmt after clippy let-chain fixes

src/identity/roles.rs

@@ -191,9 +191,10 @@ pub async fn update_role(
         .find_by_name(name)
         .await
         .map_err(AppError::Database)?
-        && other.id != id {
-            return Err(AppError::Conflict(format!("role '{name}' already exists")));
-        }
+        && other.id != id
+    {
+        return Err(AppError::Conflict(format!("role '{name}' already exists")));
+    }
 
     provider
         .roles()