dom0/core: fix order of loading VM attributes
dom0/core: fix order of loading VM attributes

Parsing kernelopts depends on uses_default_kernelopts, so set 'order' appropriate.

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