Export-PoshTheme crash on path

[tonybaloney]

The example in the documentation to export a theme to configure it isn't working:

> Export-PoshTheme -FilePath ~/.mytheme.omp.json -Format json
Cannot find an overload for "GetFullPath" and the argument count: "2".
At line:156 char:9
+         ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
    + CategoryInfo          : NotSpecified: (:) [], MethodException
    + FullyQualifiedErrorId : MethodCountCouldNotFindBest

This is the latest version of oh-my-posh, I just ran the update before this command.

[lnu]

The issue is with powershell <=5.1. A change has been done to fix a bug(#748) with relative path, but it works well in powershell core and not in powershell. We'll have to find another way round.
In the meantime: if you don't specify a FilePath the theme is copied to the clipboard.

[github-actions]

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