Description of problem:
Service is not associated with VM while creating VM from template which has service

Version-Release number of selected component (if applicable):
v4.12.0-125

How reproducible:

Steps to Reproduce:
1. add a service to a custom template
2. create vm from this template
3. check Networking -> services
4. service is created there
5. delete the VM
6. service is not deleted

Actual results:
no service found in vm details

Expected results:
service is found in vm details
and delete the VM should delete the service

Additional info:
This is a follow up bug of https://bugzilla.redhat.com/show_bug.cgi?id=2060499