Function UTF8StringToWideString

common/StringUtil.cpp:486–493

#ifdef _WIN32
	std::wstring UTF8StringToWideString(const std::string_view str)
	{
		std::wstring ret;
		if (!UTF8StringToWideString(ret, str))
			return {};

		return ret;
	}

	bool UTF8StringToWideString(std::wstring& dest, const std::string_view str)
	{