[0.15.18] Wrong consumption-statistic at aborting production

[roidal]

When production of (assembly)machines get aborted by the user the ingredients will be returned but still counted as "consumed" by the statistics.

Maybe ingredients should be counted as "consumed" after production of the target-product is finished?

[Rseding91]

This is just how it works. Items the player consumes to craft aren't counted as lost either because he can cancel crafting.

There's currently no good solution to it as the production stats don't support "canceling" something that was already added to them.