Fix race condition in route destination updates

Move route.reload inside the transaction block to ensure the returned
route reflects a consistent state. Previously, a concurrent request
could modify or delete the route between transaction commit and reload.

Author: philippthun

app/actions/update_route_destinations.rb

@@ -92,9 +92,9 @@ def update(route, to_add, to_delete, user_audit_info, manifest_triggered)
           end
 
           update_processes(processes_to_ports_map)
-        end
 
-        route.reload
+          route.reload
+        end
 
         route
       end