[FRR]Fixing zebra to use internal rbtree per NS tree of ifps (sonic-net#21095)

Adding the below fix from FRR FRRouting/frr#17297

This is to fix the following crash which is a statistical issue

[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
Core was generated by `/usr/lib/frr/zebra -A 127.0.0.1 -s 90000000 -M dplane_fpm_nl -M snmp'.
Program terminated with signal SIGABRT, Aborted.
[Current thread is 1 (Thread 0x7fccd6faf7c0 (LWP 36))]
(gdb) bt
    at ../zebra/interface.c:312

Author: dgsudharsan