[Gameplay] Undo Button

When pressing the Undo button for purchases at base, if you puchased item X while you were at 200 hp and healed in the time since you purchased item X to 1000 hp, undoing the purchase returns your health to 200 hp.

Reproduce steps

1. Take damage, down to low health.
2. Recall.
3. Upon arriving at base, purchase any item.
4. Undo the item purchase when you are at full health.

Best, Cardi