Bugfix MGGA with energy functional
Description
The current version of the code, which is batch packed, was failling on MGGA with energy functionals. This is now fixed. A test is added for covering this, using the BR89 functional.
News snippet
Fix a problem preventing running MGGA with energy functionals
Checklist
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I have checked that my code follows the Octopus coding standards -
I have added tests for all the new features added in this request.