Micael Oliveira requested to merge fix_casida_output into hotfix-11.1 Aug 27, 2021

Description

Put back the output of the Casida excitations. This was removed by mistake some time ago in !1111 (merged).

News snippet

Fixed Casida excitations output.

Checklist

I have checked that my code follows the Octopus coding standards
I have added tests for all the new features added in this request.