/**
  * Say if a field is used in its tracker workflow or post actions
  *
  * @param Tracker_FormElement_Field $field The field
  *
  * @return bool
  */
 public function isFieldUsedInWorkflow(Tracker_FormElement_Field $field)
 {
     return $this->isWorkflowField($field) || $this->transition_factory->isFieldUsedInTransitions($field);
 }