webadmin: Add missing properties to VmSnapshotListModel.onCloneVM()

Added properties which weren't mapped from UnitVmModel to VM entity:
- allowConsoleReconnect
- customProperties
- runAndPause
- singleQxlPci

Change-Id: I068aa873f9ff433f45770a717ecc90198ced7a44
Signed-off-by: Martin Betak <mbetak@redhat.com>