12826 Add Rack Type (#16739)

* 12826 add RackType

* 12826 add forms, filters, tables

* 12826 add to menu

* 12826 remove role

* 12826 add api/serializers

* 12826 add tests and fixes

* 12826 fix tests

* 12826 fix tests

* 12826 fix tests

* 12826 fix tests

* 12826 add device_type to device and instantiation

* 12826 test device creation

* 12826 add slug

* 12826 fix tests

* 12826 fix slug field

* 12826 prevent modification of rack fields if rack_type set

* 12826 update rack fields on rack_type edit

* Misc cleanup

* Update model docs

* Add manufacturer field to RackType

* Add test for mounting_depth

* Rename 'type' to 'form_factor'

* Create base classes for Rack & RackType models, serializers

* Hide RackType-defined fields on RackForm when a rack type is set

* Establish a base filter form for Rack & RackType

* Clean up RackType attr inheritance

* Clean up templates

---------

Co-authored-by: Jeremy Stretch <jstretch@netboxlabs.com>

mkdocs.yml

@@ -206,6 +206,7 @@ nav:
             - Rack: 'models/dcim/rack.md'
             - RackReservation: 'models/dcim/rackreservation.md'
             - RackRole: 'models/dcim/rackrole.md'
+            - RackType: 'models/dcim/racktype.md'
             - RearPort: 'models/dcim/rearport.md'
             - RearPortTemplate: 'models/dcim/rearporttemplate.md'
             - Region: 'models/dcim/region.md'