Begin of the insertion### Steps to reproduce

* CreateEnd of the insertion Begin of the deletion The solution would beEnd of the deletion a Begin of the insertionWP with at least one child
* Log time on both of them (parent and child)
* e.g. Parent: 1hour, Child: 6hours
* GoEnd of the insertion Begin of the deletion new checkboxEnd of the deletion to Begin of the insertiona cost report 

### Actual behavior

* InEnd of the insertion Begin of the deletion filteringEnd of the deletion the Begin of the insertionWP full view, the time is correctly summed
* End of the insertion Begin of the deletion Work PackagingEnd of the deletion in the Begin of the insertionexample: 7hours
* InEnd of the insertion Begin of the deletion Cost Reports, called: Include hierarchy. 

If checked, it would add up allEnd of the deletion the Begin of the insertioncost report, there is only the timeEnd of the insertion Begin of the deletion descendantsEnd of the deletion of the Begin of the insertionparent shown.
* inEnd of the insertion Begin of the deletion selected work package (s), not justEnd of the deletion the Begin of the insertionexample: 1hourEnd of the insertion Begin of the deletion immediate child.End of the deletion

Begin of the insertion### ExpectedEnd of the insertion Begin of the deletion We need this opportunity as well, it would help us so much in reports.End of the deletion

Begin of the insertion* The numbers should all be the same => the child time should be added  to the parent time

This was first reported here:End of the insertion https://community.openproject.com/topics/9776