DESCRIBE SESSION POLICY: Add allowed_secondary_roles column

Attention

This behavior change is in the 2024_04 bundle.

For the current status of the bundle, refer to Bundle History.

The behavior of the DESC SESSION POLICY command is as follows:

Before the change:

The output of the command does not include the allowed_secondary_roles column.

After the change:

The output of the command includes the allowed_secondary_roles column, which is placed between the session_ui_idle_timeout_mins and comment columns. This column is a placeholder for future functionality.

Ref: 1621