Add more items on Operator Utilities tab!

As we know, you guys added Command Blocks, Structure Blocks, Barriers, Light Blocks, etc. Thats not everything. We need every hidden block in minecraft to be on the operator utilities tab. For example: Bundles (if not officially added), Petrified Oak Slab, Uncraftable Potion, Uncraftable Splash Potion, Uncraftable Lingering Potion, Uncraftable Tipped Arrow, Knowledge Book, Enchantment Book, Written Map, Written Book