HPCC-11668 Add custom password end date.

An enhancement was added where the admin can set a custom date from when to start warning the user if they would like to change their password. Tapping into that to determine when to notify user in ECL Watch.

Signed-off by: Miguel Vazquez <miguel.vazquez@lexisnexis.com>
Merge pull request #6186 from miguelvazq/HPCC-11668

HPCC-11668 Add custom password end date.

Reviewed-By: Gordon Smith <gordon.smith@lexisnexis.com>
Reviewed-By: Richard Chapman <rchapman@hpccsystems.com>