Avoid build error when rebuilding locally

[bergmeister]

PR Summary

Avoid build error when rebuilding locally but compatibility profiles already exist (there was hardly any difference, therefore always copy)

PR Checklist

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• Summarized changes
• Change is not breaking
• Make sure all .cs, .ps1 and .psm1 files have the correct copyright header
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[JamesWTruher]

I think #1197 does this. The problem with this approach is that if the directory already exists, it will copy the whole directory "profiles" into $destinationDir