qvm-create-default-dvm: use gray label for dvm-template (be consitent with VM template label)
qvm-create-default-dvm: use gray label for dvm-template (be consitent with VM template label)

marmarek/qubes-core-admin,QubesOS/qubes-core-admin,QubesOS/qubes-core-admin,QubesOS/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,woju/qubes-core-admin,marmarek/qubes-core-admin