Revert "Return device's children sorted by name"

This reverts commit 769edeca8c28cd3a51c966ade197f79cba5da53e.
Revert "Update partitions' numbers and names when adding new partition (#1166598)"

This reverts commit aa326c7b2968bff6f1a9c726c5db039f5d51b90d.
Revert "Prune actions before cancelling them"

This reverts commit 308d1009ddfbd7de090633cd105886885f83c30c.