Fix step-ca root CA access on Linux CI

Host chmod cannot open 0700 dirs owned by UID 1000, so
`-f` never sees root_ca.crt. Chmod from inside the
container as root while waiting for the cert.

Signed-off-by: Bryan Frimin <bryan@probo.com>

pkg/complianceportal/management/domain.go

@@ -104,6 +104,7 @@ func loadDomains(
 	}
 
 	var certificateIDs []gid.GID
+
 	domainByCertificate := make(map[gid.GID]gid.GID)
 
 	for _, d := range domains {