Add JEI categories
Validate index of all package item usages
Fix encoder slot background being offset
Force new fluid volume packages to use source fluids
Update to 1.20.4
Fix possible NPE when using package as packager pattern
Fix unpackagers checking the wrong sides for volume capabilities
Don't anonymous inner class the nbt ingredient
Fix possible NPE when using package as packager pattern
Don't anonymous inner class the nbt ingredient
Fix possible NPE when using package as packager pattern
Add utility recipe equals and hashCode methods