I can filter by canceled process instances

AT:

• Adding the filter "canceledProcessInstance" filter to a report evaluation request considers only those instances in the result that were canceled during the
• In the report builder the new filter is added as a new filter entry
• the new filter is added to the user guide
• the REST-API is adjusted accordingly

Hint:
When upgrading the Elasticsearch data structure, don't forget to add those changes to the Optimize Upgrade jar