What happens:

duplicate glitch liquids

Steps to reproduce:

YouTube timecode:
https://youtu.be/9onFwKzi1Rs?t=143

1. Fill both tankers with liquid
2. Take away quickly and pour back the liquid
3. We get more than we had
   ...

• EnderIO: EnderIO-1.12.2-5.0.0-35ec615cb.jar
• EnderCore: EnderCore-1.12.2-0.5.41.jar
• Minecraft: 1.12.2
• SpongeForge? yes
• Optifine yes
• server

see #4980