I have a suggestion, make an error message come up if you scan a schematic that has a non-craftable and unobtainable item in it

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Partially added into minecolonies in ldtteam/minecolonies#9258

Uff, doable but probably not so easy as it looks, definitely needs to be togglable

I have literally no idea how we would scan this, gathering all participants in recipes is not enough (since silk touch, drop items that are not in any recipes etc.). If Ray will come up with something feasible...