baseboard or electric coil missing in total heating capacity

[JanghyunJK]

• came across while working on something else
• and unsure who's even using this output variable but

don't we want baseboard/electric-coil capacities added to this line?

https://github.com/NREL/ComStock/blob/7198d82540d5c1131ccccb6739224a181f9b9f2d/measures/comstock_sensitivity_reports/measure.rb#L3285