Queue for crafting book recipes containing unstackable items

We're already able to do this with stackable recipes by adding them to the crafting grid multiple times, so this is mostly a change to what happens when you try to add multiple of a recipe containing an unstackable item using the recipe book.

Right now, you can only craft dispensers one at a time using the recipe book. The current best practice is to fill in the rest of the recipe manually (because the recipe book doesn't fill in incomplete recipes) and shift click bows into the empty slot each time you craft.

I propose a numbered icon in the recipe book that shows how many of an item is queued to be crafted by clicking that item in the recipe book, and completing to that template each time the grid runs out; to at max, 64 items crafted or the materials available in the inventory, whichever's lower.

• Shift clicking completed items out of the grid would happen one at a time here, but you wouldn't be moving the mouse across the screen, making it less tedious.

• This fits Minecraft better than 'stacking unstackable items while crafting' suggestions.

Potential Issues:

• Adding something that can only be done using the recipe book. But given the recipe book autofills recipes anyway I think it isn't as much of a stretch as it first seems to make it move unstackable items into the crafting grid as that space becomes available after each item is crafted.

• It might complicate the crafting backend, since the recipe book would be testing to see if its queue could be applied to the crafting grid.