storybook: Fix crash in Picker story (#10793)

@mikayla-maki approved my suggested change as noted in the issue
below...

Release Notes:

- Fixed: [#10739 ](https://github.com/zed-industries/zed/issues/10739)
4ab48c689fMichael Angerman committed on 4/21/2024, 2:41:45 AM· committed by GitHubparent2677ec7
3 files changedLine totals unavailable