rope: Turn `ChunkSlice::slice` panics into error logs (#43538)

While logically not really correct, its better than tearing down the
application until we figure out the root cause here

Release Notes:

- N/A *or* Added/Fixed/Improved ...
c2cb76b026Lukas Wirth committed on 11/26/2025, 11:43:30 AM· committed by GitHubparent684a58f
2 files changedLine totals unavailable