Description (REQUIRED)

For Input or Output nodes (advanced), spam clicking the "previous channel" button will cause the left arrow item to stack into multiple items that can then actually be removed from the cargo node.

Steps to reproduce the Issue (REQUIRED)

Open cargo node with channel selectors, and SPAM click the "Previous Channel" button until there are 2 or more of the item, then collect the heads into your inventory to decorate walls or whatever.

Expected behavior (REQUIRED)

Shouldn't duplicate and become removable.

Server Log

this error is repeated with the clicking EXCESSIVELY into the console which is very likely to cause noticeable lag during the event:
https://pastebin.com/jUGfibL9

Error Reports

n/a

Environment (REQUIRED)

• Server Software (Spigot/Paper):
  [15:34:51 INFO]: Paper v1_16_R2
  [15:34:51 INFO]: CS-CoreLib vDEV - 90 (git 9dd4a1cf)
  [15:34:51 INFO]: Slimefun vDEV - 653 (git 4a6068b)
  [15:34:51 INFO]: Metrics build: #16
  [15:34:51 INFO]:
  [15:34:51 INFO]: Installed Addons: (20)
  [15:34:51 INFO]: DyedBackpacks vDEV - 9 (git c42435c1)
  [15:34:51 INFO]: ExtraTools vDEV - 18 (git 634462af)
  [15:34:51 INFO]: SoundMuffler vDEV - 15 (git f93acedb)
  [15:34:51 INFO]: SlimefunOreChunks vDEV - 9 (git 88dd72b0)
  [15:34:51 INFO]: EcoPower vDEV - 1 (git 53445ee5)
  [15:34:51 INFO]: HotbarPets vDEV - 30 (git a434e3aa)
  [15:34:51 INFO]: ExtraGear vDEV - 11 (git 2682d2a4)
  [15:34:51 INFO]: SlimefunLuckyBlocks vDEV - 29 (git db79cb7c)
  [15:34:51 INFO]: ExoticGarden vDEV - 56 (git e7024e9a)
  [15:34:51 INFO]: Barrels vDEV - 14 (git 1563de94)
  [15:34:51 INFO]: ElectricSpawners vDEV - 17 (git 4ce66b94)
  [15:34:51 INFO]: LiteXpansion vDEV - 56 (git 0d50e380)
  [15:34:51 INFO]: ExtraHeads vDEV - 17 (git 6c77b605)
  [15:34:51 INFO]: SoulJars vDEV - 17 (git 9eedba0f)
  [15:34:51 INFO]: MobCapturer vDEV - 10 (git 33cdceb3)
  [15:34:51 INFO]: SlimyTreeTaps vDEV - 14 (git b97239fb)
  [15:34:51 INFO]: PrivateStorage vDEV - 13 (git fa5cc2f9)
  [15:34:51 INFO]: TranscEndence vDEV - 18 (git d78329c4)
  [15:34:51 INFO]: CMI v8.7.6.10
  [15:34:51 INFO]: ChestTerminal vDEV - 35 (git 2ae809d7)

This server is running Paper version git-Paper-174 (MC: 1.16.2) (Implementing API version 1.16.2-R0.1-SNAPSHOT)