Undo/redo does not work with archive revert

[nus-pe-bot]

archive add 6 arc/WEED

archive revert 1 arc/WEED

undo (archive now exists again)

redo (archive still exists, please see screenshot below)

End result:

History of commands:

---

_{[original: nus-cs2103-AY1920S1/ped-interim#3046]}