/ipam/prefixes loading too slow

### NetBox Edition

NetBox Community

### NetBox Version

v4.5.1

### Python Version

3.14

### Steps to Reproduce

1. Upgrade to v4.5.1 from v4.4.6, with existing prefixes, interface, etc objects.
2. Login to web UI and navigate to /ipam/prefixes/


### Expected Behavior

/ipam/prefixes/ loads during 5-15 seconds.

### Observed Behavior

/ipam/prefixes/ loads within 5-7 minutes timeout.