Task CertComputeCreate requires SERVER_GROUP_ID but this dependency is
missing when nova anti-affinity is enabled and load balancer topology is
SINGLE. This patch fixes this issue.
Task: 40408
Story: 2007943
Closes-Bug: #1888397
Change-Id: I757d84e4624f488382ec4ff9af3f489cd9a85ed3
(cherry picked from commit ae6f344359)
(cherry picked from commit 2da18070a6)