module MiqAeMethodService
  class MiqAeServiceManageIQ_Providers_Openstack_InfraManager < MiqAeServiceEmsInfra
    expose :orchestration_stacks, :association => true
    expose :direct_orchestration_stacks, :association => true
  end
end

module MiqAeMethodService
  class MiqAeServiceManageIQ_Providers_Openstack_InfraManager < MiqAeServiceManageIQ_Providers_InfraManager
    expose :orchestration_stacks, :association => true
    expose :direct_orchestration_stacks, :association => true
  end
end

Change Openstack_InfraManager service model use real model for subclass
Change Openstack_InfraManager service model use real model for subclass

Openstack_InfraManager was using the alias EmsInfra instead of the real subclass ManageIQ::Providers::InfraManager
