HPCC-11687 Fire exception on connect if from stale client

Fire an an abort exception, if connections received from an old
session (since Dali has recycled)

Signed-off-by: Jake Smith <jake.smith@lexisnexis.com>
Merge pull request #6060 from jakesmith/hpcc-11687

HPCC-11687 Fire exception on connect if from stale client

Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>