chore: rubocop

chore: fix api test conventions

chore: rubocop -A spec/

chore: more rubocop -A

fix failing test

rubocop fixes

removes helper methods that are in my opinion dead code

more rubocop fixes

rubocop -a --auto-gen-config

app/models/concerns/custom_fields.rb

@@ -10,7 +10,7 @@ module CustomFields
     end
 
     after_save do
-      self.settings.custom_fields = custom_fields if custom_fields
+      settings.custom_fields = custom_fields if custom_fields
     end
   end
 end