Fix for copy scenario within a consortial dashboard package

[Scott Chamberlain]

Hello! 

I just fixed an issue where copying a scenario within a package in a consortial dashboard was not working properly. It is now fixed. Please do reach out if you have any issues with copying scenarios in your consortial dashboard: sup...@unsub.org 

Release notes: https://github.com/ourresearch/jump-api/releases/tag/v1.8

Cheers, Scott