OZG-6178 solve comments

src/main/helm/templates/_helpers.tpl

src/main/helm/templates/elstertransfer_user_cr.yaml

.../ozgcloud_elstertransfer_operator_secret_create_role.yaml

...es/ozgcloud_elstertransfer_operator_secret_read_role.yaml

.../ozgcloud_elstertransfer_operator_secret_update_role.yaml

src/test/helm/elster_transfer_user_cr_test.yaml

...loud_elstertransfer_operator_secret_create_role_test.yaml

...gcloud_elstertransfer_operator_secret_read_role_test.yaml

...loud_elstertransfer_operator_secret_update_role_test.yaml