Device Management: 7750 SR MG/CMG, CPC, and CMM features

[NSPF-459621] MAGc - Revert and Rebalance Automation

Release introduced: 25.4

NSP workflow will execute either revert or rebalance on MAGc node based on the event notification type sent by the node. These actions help in distributing subscriber sessions among all active/backup MAGu's connected to a given MAGc.

- Revert Operation: moves sessions back to the UPF in the primary list of the target profile​

- ​Rebalance Operation: moves sessions to the UPF in the backup list of the target profile​