[Bug]: Alien won't leave their nest area

[SwiftSniffer]

Mod Version

0.8.0

Mod Loader

Fabric

Mod Loader Version

Fabric Loader 0.16.5-1.21.1

Describe the bug

For some reason, aliens will prefer staying around their nest area (3 blocks radius i'd say, to be generous) rather than pursuing any preys outside. To death even.

To Reproduce

1. Spawn an Alien
2. Wait for them to make a nest
3. Walk around in survival, shoot the alien, etc...