I want to konw the different of camunda:assignee betwwen camunda:candidateUsers and camunda:candidateGroups，I found the high Priority property is camunda:assignee ，So we want to set camunda:assignee mutually exclusive with camunda:candidateUsers and camunda:candidateGroups in project bpmn-js-properties-panel . when users select ‘assignee’ we disabled Candidate groups and Candidate users， But I donnot konw it is Reasonable or not