fix(dh): sort grid areas by code in graphql

[ManBearTM]

• Add OrderBy to gridAreas resolvers
• Consolidate grid areas query logic
• Remove sort direction from UI
• Add gridAreas tests
• Move FilteredActorQueryTests
• Remove unused using
• Move wholesale tests to calculation tests

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[github-actions[bot]]

Test results for \apps\dh\api-dh\source\DataHub.WebApi.Tests\bin\Release\net8.0\Energinet.DataHub.WebApi.Tests.dll

1 tests   1 :white_check_mark:  2m 46s :stopwatch: 1 suites  0 :zzz: 1 files    0 :x:

Results for commit c3237e9f.

:recycle: This comment has been updated with latest results.