AT:

• the result set of historic process instances in [1] should contain for each historic process instance an information whether it has an incident or not
• it could be implemented in the same way like its done in [2], i.e. each historic process instance in the result set has a list of incident type and count

[1]: https://github.com/camunda/camunda-bpm-platform-ee/blob/08bc5b3fe78637eee88d6357ba12be4047f5d04e/webapps/camunda-webapp/plugins/src/main/java/org/camunda/bpm/cockpit/impl/plugin/resources/HistoricProcessInstanceRestService.java#L72
[2]: https://github.com/camunda/camunda-bpm-webapp/blob/7361025624edcf678bb76b81dc5e08f5775ecc97/src/main/resources/org/camunda/bpm/cockpit/plugin/base/queries/processInstance.xml#L63-L79