Investigate usage of legacy Win32 functions, move to PlatformAgnostic as necessary #4842
Description
Including but not limited to
CompareStringW => CompareStringEx
GetDateFormatW => GetDateFormatEx
GetLocaleInfoW => GetLocaleInfoEx
GetTimeFormat => GetTimeFormatEx
GetUserDefaultLCID => GetUserDefaultLocaleName
LCMapStringW => LCMapStringEx