Sample Metadata "metadata" tab's isotope_exposure treatment not defined in mixs.yaml?

[turbomam]

This is one component of issue #375

Unlike isotope_exposure, these template-allowed treatments are all defined in mixs

treatment

chem_administration
watering_regm
air_temp_regm
gaseous_environment
isotope_exposure
climate_environment
humidity_regm
light_regm
biotic_regm

[mslarae13]

Correct, I added this one. I keep forgetting to put in a request to GSC to add it. It could be included in the chem_administration (1880µg of 13C- carbon as glucose added) but that seems like a lot and would be harder to parse, so I separated them 1880µg of 13C for isotope and 4.5mg of glucose for chemical administration.

Make sense? Open to suggestions on what to do in V5 & how to handle this.