CertificateNotificationHandler sends notifications to many unexpected usersDescriptionCertificateNotificationHandler sends notifications to many unexpected usersSteps to Reproduce When Assignment group is empty on sn_disco_certmgmt_certificate_task, sysevent like sn_disco_certmgmt.email.renew_task_crtd,sn_disco_certmgmt.certificatetask.notify may cause notifications to be sent to many unexpected usersWorkaroundImport/Preview/Commit update set attachedRelated Problem: PRB2051265