Fancydrops do not stack

Summary

Fancydrops prevents item that would normally stack from stacking

Steps to reproduce

1. Enable fancy drops on a mob
2. Trigger the drop via killing the mob

https://pastebin.com/WUu65kLT (Relevant Mob Config file)

Current behavior

Mob drops made whilst fancydrops is enabled will not stack with other drops, even if it is from the same mob.

Intended correct behavior

Items should stack correctly

Server log file

https://mclo.gs/4AoShoa

Debug log snippet

N/A

Proposed fixes

Presumably whatever is occurring changes the data / value of something on the drop, meaning it is unrecognised as identical to the other.