Listing security groups has 1 fewer results the first time

[dylanratcliffe]

When we don't hit the cache it's common to see X security groups. Then when you run it again you get X+1, which is the correct number. In Honeycomb however it looks fine.

First run: https://ui.honeycomb.io/overmind/environments/prod/datasets/gateway/result/xjY3czvmZXH/trace/nRqLnFF9F6n?fields[]=c_name&fields[]=c_service.name&span=f871fb1df8c3367e

Subsequent:https://ui.honeycomb.io/overmind/environments/prod/datasets/gateway/result/yAzis14VUU4/trace/F7wsas3KHmg?fields[]=c_name&fields[]=c_service.name&span=1c192b7817812b2e