[8.19](backport #3466) [Asset Inventory][Azure] Fix Azure service names (cloud.service.name)

[mergify]

Summary of your changes

Fixes missing cloud.service.name values for Azure assets (were all assigned Azure).

Related Issues

Fixes https://github.com/elastic/security-team/issues/13159

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This is an automatic backport of pull request #3466 done by [Mergify](https://mergify.com).

[mergify]

Cherry-pick of 7e3234f has failed:

On branch mergify/bp/8.19/pr-3466
Your branch is up to date with 'origin/8.19'.

You are currently cherry-picking commit 7e3234f1.
  (fix conflicts and run "git cherry-pick --continue")
  (use "git cherry-pick --skip" to skip this patch)
  (use "git cherry-pick --abort" to cancel the cherry-pick operation)

Changes to be committed:
	modified:   internal/inventory/azurefetcher/fetcher_account.go
	modified:   internal/inventory/azurefetcher/fetcher_account_test.go
	modified:   internal/inventory/azurefetcher/fetcher_activedirectory.go
	modified:   internal/inventory/azurefetcher/fetcher_activedirectory_test.go
	modified:   internal/inventory/azurefetcher/fetcher_storage_test.go
	modified:   internal/resources/fetching/fetchers/azure/assets_enricher_mysql.go
	modified:   internal/resources/fetching/fetchers/azure/assets_enricher_mysql_test.go
	modified:   internal/resources/fetching/fetchers/azure/assets_fetcher.go
	modified:   internal/resources/providers/azurelib/inventory/asset.go

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   internal/inventory/azurefetcher/fetcher_resource_graph.go
	both modified:   internal/inventory/azurefetcher/fetcher_resource_graph_test.go
	both modified:   internal/inventory/azurefetcher/fetcher_storage.go

To fix up this pull request, you can check it out locally. See documentation: https://docs.github.com/en/pull-requests/collaborating-with-pull-requests/reviewing-changes-in-pull-requests/checking-out-pull-requests-locally

[mergify]

This pull request has not been merged yet. Could you please review and merge it @kubasobon? 🙏