[1.7.10]: (V1.12.3) MixinBlockLiquid causes fluid textures to render improperly

### Modpack

_No response_

### Help isloating the issue

- [x] Did you tried to disabling some mixins in the mod config to see what mixin made the issue?
- [X] Did you find what mixin made the issue?

### Game log

not applicable

### Description

When MixinBlockLiquid is enabled, a logic error causes some flowing fluids to flow in the wrong direction.