Unable to fix up redirector of assets used in level instances

If another persistent level is open, the fix up can work.

1. Make sure source control is enabled
2. Create or open a world partitioned level
3. Place some asset and create level instance from them
4. Submit content
5. Select asset in level instance in content browser
6. Rename asset
7. Check content browser > filter > other files > show redirector
8. Select the redirector asset in content browser
9. Open context menu and click Update Redirector References

Result:

Error occurs and "The asset %s failed to save" dialog is shown

Expected Result:

Update Redirector References succeeds without error