Unable to dotwalk the extended table fields of task table while creating notification

While configuring the business rule or notifications unable to do dotwalk the extended table fields of task table on condition builder even though we first click on show related fields.

System property value was set to false

System Property Name: glide.ui.list.allow_extended_fields
Type: true/false
Value: true

This property allows base table lists (task, cmdb_ci, etc.) to include extended table fields (incident_state, os_version, etc.) and allow filtering on extended table fields.