Graphical bug affecting liquid level

[OhmV-IR]

Issue reported by: agamingdinosaur:
For level < 100 mB, the liquid is visible only from a distance.

[OhmV-IR]

Message from agamingdinosaur:
It seems that the distance to see the liquid increases as the level decreases.

[OhmV-IR]

Message from overlordidra:
this is probasbly unfixable tbh