Support Status return type for callNullable function API

[PHILO-HE]

Description

xxx/velox/functions/Registerer.h:74:51:   required from ‘bool facebook::velox::registerFunction(const std::vector<std::__cxx11::basic_string<char> >&, const std::vector<facebook::velox::exec::SignatureVariable>&, bool) [with Func = facebook::velox::functions::sparksql::RaiseErrorFunction; TReturn = facebook::velox::UnknownValue; TArgs = {facebook::velox::Varchar}]’
/velox/velox/functions/sparksql/Register.cpp:465:62:   required from here
/velox/./velox/core/SimpleFunctionMetadata.h:804:44: error: static assertion failed: UDF must implement at least one of `call`, `callNullable`, or `callNullFree` functions.
This error happens also if the output and input types of the functions do not match the
ones used in registration.
  804 |       udf_has_call || udf_has_callNullable || udf_has_callNullFree,
      |       ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~
/velox/./velox/core/SimpleFunctionMetadata.h:804:44: note: ‘((((bool)facebook::velox::core::UDFHolder<facebook::velox::functions::sparksql::RaiseErrorFunction<facebook::velox::exec::VectorExec>, facebook::velox::exec::VectorExec, facebook::velox::UnknownValue, facebook::velox::ConstantChecker<facebook::velox::Varchar

[mbasmanova]

@PHILO-HE Thank you for creating this issue. It would nice to add support for Status to all flavors of 'call' API: https://velox-lib.io/blog/optimize-try-more#next-steps

[mbasmanova]

CC: @rui-mo