coalesce.go:220: warning: cannot overwrite table with non table for postgresql.networkPolicy.egressRules.customRules (map[])

[cmoulliard]

Issue

When we deploy the helm chart and enable the deployment of the postgresql DB using postgresql.enabled: true, then helm reports the following warning message

coalesce.go:220: warning: cannot overwrite table with non table for postgresql.networkPolicy.egressRules.customRules (map[])
NAME: my-backstage
LAST DEPLOYED: Thu Jul  7 15:16:55 2022
NAMESPACE: backstage
STATUS: deployed
REVISION: 1
TEST SUITE: None

Postgresql helm resource: https://github.com/bitnami/charts/blob/master/bitnami/postgresql/templates/networkpolicy-egress.yaml