- the view property field in the report structure only contains the duration option for user tasks
- the user task duration report has a configuration property userTaskDurationTime which is either idle, work or total, where total is the default option
- the rest api documentation is adjusted accordingly
- the upgrade script is updated such that the reports are transformed to the new structure during the upgrade
This is a preparation step, so we can create user task count reports. Similar to how it's done for flow node and process instance reports.