Only totals were shown in QAN when filtering on Cluster=MongoDB.

User Impact:

User can see only Totals for MongoDB cluster filter

Steps to Reproduce:

1. Setup PMM with configuration (--addclient=ps,1 --addclient=mo,2 --with-replica  --addclient=pgsql,1)
2. login as admin
3. open 'Query Analytics' page
4. click on 2 in pagination to open 2nd page
5. select Cluster=mongodb_cluster

Actual Result:

Only Total row is present in Overview table

attached screenshot

Expected Result:

Other queries should be shown also

Note: 

This issue is not reproducible in 2.5.0