reports: edited ic query-only_vms_vm_list

I edited the, only_vms_vm_list,
input control query,
so it will be more readable and added comments.

Change-Id: I26c447e2705a2ef91d6c9f9e44d5b6b266c9f3a1
Signed-off-by: Shirly Radco <sradco@redhat.com>