HPCC-9509 Don't allow SELFJOIN,ALL to be created

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #4536 from ghalliday/issue9509

HPCC-9509 Don't allow SELFJOIN,ALL to be created

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>