`assigned_to_interface` IP address filter matches on FHRP group assignment

[jeremystretch]

NetBox version

v3.2.0

Python version

3.8

Steps to Reproduce

1. Create an FHRP group
2. Assign an IP address to the FHRP group
3. Filter the list of IP addresses using ?assigned_to_interface=True

Expected Behavior

The IP address created in step 2 should not be included in the results

Observed Behavior

The filter matches IPs assigned to FHRP group as a well as interfaces