2.50.05: Misc. updates to interiors endpoints

This patch release makes a number of minor updates to the interiors model:

Corrects unit errors for "count" items (doors and furniture)
Updates
carbon_intensity
to only include A1-A3
Added
condition
parameter to
/api/carbon-intensities/interior-assemblies
so that reuse or salvage is properly accounted for
Updates
emissions_by_element
to
emissions_by_takeoff
within the response for each space