BS-11333 : For the monitoring, need to get the number of open process instances by process definition

- Modify the fillCounters method of the APIProcess to fill the number of the open cases
- Add unit tests
- Fix the filters for the fillCounters for the number of the failed cases
BS-10706 : Call API to retrieve failed flow node for each displayed line

- Fix bad filter for fillCounter of failed & open flow nodes
BS-10706 : Call API to retrieve failed flow node for each displayed line

- Move different filter for search