Issue Summary

Slow performance for POST /object/navlist/aql endpoint for particular object types.

Steps to Reproduce

1. Poor performance up to 40s when loading object list for object types involving inheritance and lots of inbound and outbound connections. 

Expected Results

Objects are loaded within a reasonable timeframe when calling POST /object/navlist/aql

Actual Results

POST /object/navlist/aql and /aql/objects are taking 30+ seconds to respond

Workaround

Currently there is no known workaround for this behavior. A workaround will be added here when available