refactor(dh): use GraphQL to deactivate user role

[dzhavat]

Description

DataHub

• replace REST endpoint to deactivate user role with GraphQL mutation
• remove unused REST endpoint
• set button in loading state while a request is pending
• adjust mocks
• rename store

References

• 0000

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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 45s :stopwatch: 1 suites  0 :zzz: 1 files    0 :x:

Results for commit 99157ca6.

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