There is a mod I found that does this or at least claims to, haven't tested it. But what the files tells me is that they changed the forge to work like a workbench and you craft the items with resources in your inventory. https://www.nexusmods.com/7daystodie/mods/2932
There is a mod for this and for a21, haven't tested it yet so don't know if it works, though you can't use EAC with it as it changes core files. https://www.nexusmods.com/7daystodie/mods/2196