Handle multi-line description for parameter help content

[daxian-dbw]

PR Summary

Fix #3356

Handle multi-line description for parameter help content.

PR Checklist

• PR has a meaningful title
  • Use the present tense and imperative mood when describing your changes
• Summarized changes
• Make sure you've added one or more new tests
• Make sure you've tested these changes in terminals that PowerShell is commonly used in (i.e. conhost.exe, Windows Terminal, Visual Studio Code Integrated Terminal, etc.)
• User-facing changes
  • Not Applicable
  • OR
  • Documentation needed at PowerShell-Docs
    • Doc Issue filed:

Microsoft Reviewers: Open in CodeFlow

[andyleejordan]

Assuming you checked how this displays on non-Windows (with a different newline expectation) this looks good to me!

[daxian-dbw]

Yes, I tested on Linux and it works as expected. Here is the GIF on Linux:

[ghost]

🎉 v2.3.0-beta0 has been released which incorporates this pull request. 🎉