HPCC-12373 Convert global streamed join against key to keyeddistribute

Also refactor the JoinSortInfo class

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
HPCC-12373 Add test to runtime suite

Signed-off-by: Gavin Halliday <gavin.halliday@lexisnexis.com>
Merge pull request #6537 from ghalliday/issue12373

HPCC-12373 Convert global streamed join against key to keyeddistribute

Reviewed-By: Jamie Noss <james.noss@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>