Netbox-topology-views

- fixed custom field check for coords

- Removed distutils dependency

- fixed settings trying to use the old string value instead of the array

- upgraded js packages
- fixed labels for nodes
- fixed enable_circuit_terminations setting
- added filter for unconnected devices
- added ignore_cable_type

- fix filter
- added preselected roles to filter
- added draw_default_layout setting
- Converted vars for `preselected_device_roles`, `ignore_cable_type` and `device_img` from strings to array

- added support for netbox v3.1