[dev-overlay] fix: bottom stack count (#76375)
### Why?
The error overlay's bottom stack count was wrong.
### Before
https://github.com/user-attachments/assets/24f09416-38a9-4b47-8a59-269e9855f851
### After
https://github.com/user-attachments/assets/9f0dff66-e40c-4e68-afda-d149d1b8d895
Closes NDX-827
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Co-authored-by: Zack Tanner <1939140+ztanner@users.noreply.github.com>
