Toastr125

Can confirm I just discovered this in 1.19.2. You don't even need to put another item in there, you just need to take out one of the warp dusts or...

Doesn't that functionality already get disabled when holding something in your off-hand?

And on a similar note, tagging the other tools and armor as well as the ingot, nugget, and block would be nice. I had to do that with a datapack...

I can confirm that this is still the case in 1.19.2 (Enigmatic Legacy 2.26.5, Curios 5.1.3.0, Patchouli 77, Forge 43.2.7, Artifacts 5.0.2)

This is part of how creative mode works, excess items are automatically deleted when picked up. Even if the excess items were dropped, they would get picked up and deleted...