Automatic merge from submit-queue (batch tested with PRs 47144, 46699)
Update statefulset reaper use StatefulSetHasDesiredReplicas
**What this PR does / why we need it**:
StatefulSetHasDesiredReplicas condition should check ObservedGeneration and update statefulset reaper use StatefulSetHasDesiredReplicas
**Which issue this PR fixes** *(optional, in `fixes #<issue number>(, fixes #<issue_number>, ...)` format, will close that issue when PR gets merged)*: fixes#43325
**Special notes for your reviewer**:
**Release note**:
```
None
```
2be7a18ead