Site filter for interface connections not working

### NetBox version

v3.0.5

### Python version

3.8

### Steps to Reproduce

1. Go to "Interface Connections"
2. Go to "Filters"
3. Select a "Site" and click "Search"

### Expected Behavior

The "Interface Connections" table should only display connections for the selected site.

### Observed Behavior

The "Interface Connections" is not filtered and still displays all connections.