Remove extra line before formatting group

[iSazonov]

PR Summary

Fix #11846.

Add newline only before each formatting group except first.

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[JamesWTruher]

although we don't usually have validation for formatting, it would be useful to have the discussion include what this looks like now vs your fix with some sample output.

[ghost]

This pull request has been automatically marked as Review Needed because it has been there has not been any activity for 7 days.
Mainainer, Please provide feedback and/or mark it as Waiting on Author

[iSazonov]

The PR removes first extra empty line - you can see screenshots in related issue.

[TravisEz13]

@SteveL-MSFT @JamesWTruher Can you update your review?

[JamesWTruher]

looks fine, it should probably done for format-list too

[TravisEz13]

approve as maintainer

[musm]

It would be good to audit the rest of the system. IMO gci still outputs several unnecessary new lines, which makes it too verbose. Clearly this PR is the correct fix, but future exploring this has utility.

[iSazonov]

@musm If you don't see already opened issues for broken formatting please open new ones.

[musm]

WIll do, Thanks for this fix!

[ghost]

🎉v7.1.0-preview.4 has been released which incorporates this pull request.:tada:

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