FResult::FResult

Template Conversion Constructor to allow us to initialize from [TValueOrError](API\Runtime\Core\Math\TValueOrError) MakeError This is needed because of how [TValueOrError](API\Runtime\Core\Math\TValueOrError) implements MakeError through the same templated approach with [TValueOrError_ErrorProxy](API\Runtime\Core\Templates\TValueOrError_ErrorProxy).