When modifying a job stream starter other starters should not be deleted

Current Situation

When modifying a job stream starter it may happen that some other job stream starter will be deleted.

Desired Behavior

When modifying a job stream starter this should not have an effect on other job stream starters.

Patch

A patch is available here
Download the .jar file and save the file to the folder $SCHEDULER_HOME/lib/patches. Then restart JobScheduler Master.