dom0/pm-utils: initial clock sync also in ClockVM after resume
dom0/pm-utils: initial clock sync also in ClockVM after resume

When there is no internet connection, clockvm will have no chance to sync clock
itself.

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