Group by country, technology

[omar-chahbouni-decathlon]

What it's the actual situation on ARA ? This issues relies on #272.

In an execution panel, each line is only grouped by type, even though there are higher hierarchies, i.e. technology (#272) and countries.

Describe the solution you'd like It would be great to unfold scenarios by countries, then by technologies before unfolding by types.

Additional context