Integer type custom field shows "None" instead of "0"

[damiankaczkowski]

NetBox version

v3.0.11

Python version

3.9

Steps to Reproduce

1. Create custom filed of integer type in "dcim | site".
2. Add a new site and fill your custom field with "0".
3. Go to site overview and add your new custom filed to selected columns.
4. You will see you custom field shows "None" instead of "0". If you go to details it will correctly show "0".

Expected Behavior

Integer type custom field should show "0" not "None" on overview view.

Observed Behavior

Integer type custom field should show "None" instead of "0" on overview view.