HPCC-10469 Refresh lists when new entities are created

Fixes HPCC-10469

Signed-off-by: Gordon Smith <gordon.smith@lexisnexis.com>
Merge pull request #5532 from GordonSmith/HPCC-10469_BroadcastNewWU

HPCC-10469 Refresh lists when new entities are created

Reviewed-By: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>