Docs are not replicating between mixed mode XDCR after one DC upgrade from 6.5.1 to 7.0.3

1st Cluster configuration - 3 kv node + 3 index nodes + 2 query node 

2nd Cluster configuration - 1 node with kv+query+index service

Clusters are in bi-directional replication.

After the upgrade of full cluster, I don't see the doc rev-id increasing on upgraded cluster. However, Mutation are happening on 2 cluster.

7.0.3 Upgraded Cluster - 
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.104.197.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.105.17.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.105.232.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.105.233.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.106.21.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.106.22.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.106.23.zip
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100826-ns_1%40172.23.106.28.zip
 
6.5.1 - 
https://cb-engineering.s3.amazonaws.com/UPS_RELATED/UPS/collectinfo-2022-07-28T100840-ns_1%40127.0.0.1.zip