Change MatchType for EnumerationOptions to be Win32

[SteveL-MSFT]

PR Summary

Looks like CoreFx added a new MatchType property to EnumerationOptions that defaults to Simple which doesn't map to the Windows PowerShell behavior where a filter like *.* would match a file with no extension. Fix is to explicitly set MatchType to Win32 to get the old behavior to make it consistent with Windows PowerShell.

PR Context

Fix #9330

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