People can /collect purchased materials into unfinished containers

[midspace]

Yes, it looks like we forgot to check the cargo cube state in a number of places.

https://github.com/jpcsupplies/Economy_mod/blob/master/Economy/Data/Scripts/Economy.scripts/Messages/MessageSell.cs#L238
https://github.com/jpcsupplies/Economy_mod/blob/master/Economy/Data/Scripts/Economy.scripts/Messages/MessageSell.cs#L897

Also here for gas tank checks:
https://github.com/jpcsupplies/Economy_mod/blob/master/Economy/Data/Scripts/Economy.scripts/Messages/MessageSell.cs#L282
https://github.com/jpcsupplies/Economy_mod/blob/master/Economy/Data/Scripts/Economy.scripts/Messages/MessageSell.cs#L860