PR Summary

Changes how the Write-Host cmdlet handles XMLElements, fixes #24508

PR Context

I'm not positive this is the right fix, spiritually I could get behind using .OuterXml instead which would print the whole XML document from that element, which seems aligned with the iteration of an Enumerable.

Either way, it is definitely the case that the current code doesn't work as expected.

PR Checklist

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• Make sure all .h, .cpp, .cs, .ps1 and .psm1 files have the correct copyright header
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• Breaking changes
  • None
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  • Experimental feature(s) needed
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• User-facing changes
  • Not Applicable
  • OR
  • Documentation needed
    - [X] Issue filed: Write-Host renders an [xml] or [XmlElement] instance as an empty line. #24508
• Testing - New and feature
  • N/A or can only be tested interactively
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• Tooling
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    • Impact on PowerShell Editor Services which is used in the PowerShell extension for VSCode
      (which runs in a different PS Host).
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    • Impact on Completions (both in the console and in editors) - one of PowerShell's most powerful features.
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    • Impact on PSScriptAnalyzer (which provides linting & formatting in the editor extensions).
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    • Impact on EditorSyntax (which provides syntax highlighting with in VSCode, GitHub, and many other editors).
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