Add built environment to Environmental Packages multiselect on Create Study

[adamrp]

Thanks for pointing this out @ackermag! What is the exact term we should use in the list? built-environment?

[ackermag]

built environment

[ackermag]

@adamrp

[antgonza]

I guess this was added some time ago but this issue was never closed. Note that we even have a test checking for this.