Utility function get_field_value returns last value when used on a multi-value field

[DanSheps]

Deployment Type

Self-hosted

Triage priority

I volunteer to perform this work (if approved)

NetBox Version

v4.1.4

Python Version

3.10

Steps to Reproduce

1. Utilize get_field_value on a form field that may produce a single value or multiple values (Ex: tagged_vlans)

Expected Behavior

get_field_value to return multiple values

Observed Behavior

get_field_valueu returns a single value