[7.17](backport #33654) Azure Platform Logs: rename identity as identity_name when the value is a string

[mergify]

This is an automatic backport of pull request #33654 done by Mergify.
Cherry-pick of ea9b0cb has failed:

On branch mergify/bp/7.17/pr-33654
Your branch is up to date with 'origin/7.17'.

You are currently cherry-picking commit ea9b0cb3c6.
  (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:   CHANGELOG.next.asciidoc
	modified:   filebeat/docs/fields.asciidoc
	modified:   x-pack/filebeat/module/azure/platformlogs/_meta/fields.yml
	modified:   x-pack/filebeat/module/azure/platformlogs/ingest/pipeline.yml
	new file:   x-pack/filebeat/module/azure/platformlogs/test/platformlogs-identity-raw.log
	new file:   x-pack/filebeat/module/azure/platformlogs/test/platformlogs-identity-raw.log-expected.json

Unmerged paths:
  (use "git add <file>..." to mark resolution)
	both modified:   x-pack/filebeat/module/azure/fields.go

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

---

Mergify commands and options

More conditions and actions can be found in the documentation.

You can also trigger Mergify actions by commenting on this pull request:

• @Mergifyio refresh will re-evaluate the rules
• @Mergifyio rebase will rebase this PR on its base branch
• @Mergifyio update will merge the base branch into this PR
• @Mergifyio backport <destination> will backport this PR on <destination> branch

Additionally, on Mergify dashboard you can:

• look at your merge queues
• generate the Mergify configuration with the config editor.

Finally, you can contact us on https://mergify.com

[botelastic]

This pull request doesn't have a Team:<team> label.

[elasticmachine]

💚 Build Succeeded

the below badges are clickable and redirect to their specific view in the CI or DOCS

Expand to view the summary

Build stats

• Start Time: 2022-12-12T16:27:48.894+0000

• Duration: 24 min 3 sec

❕ Flaky test report

No test was executed to be analysed.

🤖 GitHub comments

Expand to view the GitHub comments

To re-run your PR in the CI, just comment with:

• /test : Re-trigger the build.

• /package : Generate the packages and run the E2E tests.

• /beats-tester : Run the installation tests with beats-tester.

• run elasticsearch-ci/docs : Re-trigger the docs validation. (use unformatted text in the comment!)

[zmoog]

/test

[mergify]

This pull request is now in conflicts. Could you fix it? 🙏
To fixup this pull request, you can check out it locally. See documentation: https://help.github.com/articles/checking-out-pull-requests-locally/

git fetch upstream
git checkout -b mergify/bp/7.17/pr-33654 upstream/mergify/bp/7.17/pr-33654
git merge upstream/7.17
git push upstream mergify/bp/7.17/pr-33654

[mergify]

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

[sonarqubecloud]

Please retry analysis of this Pull-Request directly on SonarCloud.

[zmoog]

/test