Make other switches mandatory in Split-Path

[kvprasoon]

PR Summary

Changes as per #12991 to make Switches mandatory

PR Context

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  • Documentation needed
    • Issue filed: The switch parameters for Split-Path should be mandatory #12991
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[vexx32]

Looks good to me, thanks for sorting this out! 💖

[iSazonov]

/cc @sdwheeler if doc changes are needed.

[ghost]

🎉v7.1.0-preview.6 has been released which incorporates this pull request.:tada:

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