Reset Purge Status and Check Dates work queue

Code	`ResetPurgeStatusAndCheckDates`
Categories	`UIRunnable`
Implementation	Work queue
Schedule	Not schedulable
Class	ResetPurgeStatusAndCheckDatesWorkQueue.java

The Reset Purge Status and Check Dates work queue resets the purge status and purge or prune dates on the jobs. Run this process if you have a need to reset the purge status and purge date.

For each job, this process:

Sets the Job.PurgeStatus property to Unknown.
Sets the Job.NextPurgeCheckDate to null.

For example, if a job has a PurgeStatus of NoActionRequired or Pruned, the process resets the PurgeStatus to Unknown.