Description:
The "Empty Liquid Nuclear Fuel" recipe makes nuclear fuel from rocket fuel without any additional inputs required

Reproduction steps:
Start a save with "Krastorio 2 Spaced Out" and "Metal and Stars" mods installed.
Research Kovarex Enrichment Process
Observe "10 x Empty Liquid Nuclear Fuel (Recipe)"
Place an assembler machine
Set the recipe above
Observe that nuclear fuel can be made from rocket fuel with no additional inputs

Expected behavior
Creating nuclear fuel should require uranium-235 (or some other nuclear component) as part of the recipe

Factorio version: 2.0.69
K2SO version: 1.4.27
Metal & Stars version: 0.1.17