Fix RecycleScroller empty sizes call
What does this MR do and why?
Fixes a call to an empty sizes map inside RecycleScroller.
Bug identified here.
Screenshots or screen recordings
| Before | After |
|---|---|
| Screen_Recording_2025-04-25_at_19.11.13 | Screen_Recording_2025-04-25_at_19.10.37 |
How to set up and validate locally
- Enable
rapid_diffsandrapid_diffs_on_mr_showfeature flags - Go to any merge request
- Select 'Changes'
- Add
?rapid_diffs=trueto the URL, follow it - Shrink your viewport to 700 pixels wide
- Toggle file browser
- Observe no errors in the console