DIsplay ML class used to filter process
Refs https://redmine.teklia.com/issues/7929
When a process has been created & started with an ML class filter, that ML class should also be displayed in the /process/:uuid/filter view.
Refs https://redmine.teklia.com/issues/7929
When a process has been created & started with an ML class filter, that ML class should also be displayed in the /process/:uuid/filter view.