core: UP does not load any VMs

The GetAllVmPoolsAttachedToUserQuery missed one of it's constructors causing
that the userportal extended view did not load any VMs.

Change-Id: I537a44eb64cb0e9c4fe4f11786fdfa20a6706e30
Signed-off-by: Tomas Jelinek <tjelinek@redhat.com>