Refine Move-ADDirectoryServer cmdlet documentation

[baardhermansen]

PR Summary

Updated Move-ADDirectoryServer documentation for clarity and consistency with formatting style.
Tried to render characters in the Identity section, tested on two computers with two browsers. Getting inconsistent results though, so not sure if it's needed.

PR Checklist

• Descriptive Title: This PR's title is a synopsis of the changes it proposes.
• Summary: This PR's summary describes the scope and intent of the change.
• Contributor's Guide: I have read the [contributors guide][contrib].
• Style: This PR adheres to the [style guide][style].

[learn-build-service-prod]

PoliCheck Scan Report

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[learn-build-service-prod]

Learn Build status updates of commit 9733fd3:

✅ Validation status: passed

File	Status	Preview URL	Details
docset/winserver2022-ps/ActiveDirectory/Move-ADDirectoryServer.md	✅Succeeded	View (WindowsServer2022-ps)

For more details, please refer to the build report.