Fixes the following Salt issue:
Detected conflicting IDs, SLS IDs need to be globally unique. The conflicting ID is 'selinux_context_openfire_data' and is found in SLS 'base:roles/paas-docker/containers.acme_dns' and SLS 'base:roles/paas-docker/containers.openfire'
Fixes T1593.
This is a follow-up for 9d9d4f52.