Neutrino ID assigned to dumby value

[bear-is-asleep]

I'm submitting a ...

• bug report
• feature request

Expected Behavior

Neutrino ID attribute should be filled from a list index.

Current Behavior

Assigned dummy value of 65535.

Possible Solution (optional)

Assign id as the neutrino index in the list of neutrinos, same as the Particles object.

How to reproduce

Appears in producing all larcv.root MC files under the neutrino branch.

Checklist

• I've added at least 1 label
• Assigned a reviewer