public boolean placeIfSpace(Item item) {
        return tryConsume(s -> s.applyFromItem(item));
    }
Places an item onto the {@link Gui} using the next available slot in the populator

@param item the item to place
@return true if there was a slot left in the populator to place this item onto, false otherwise
helper/src/main/java/me/lucko/helper/menu/scheme/MenuPopulator.java