device.config_template field missing from rest api

### NetBox version

v3.5.4

### Python version

3.8

### Steps to Reproduce

noticed that device.config_template field is missing from the rest api, e.g.,

https://demo.netbox.dev/api/dcim/devices/82/



### Expected Behavior

expected to see config_template field, e.g.,

    "config_template": 11,


### Observed Behavior

config_template field is missing