vim: Fix crash when using ‘ge’ motion on multibyte character (#31566)

Closes #30919

- [x] Test

Release Notes:

- Fixed the issue where using the Vim motion `ge` on multibyte character
would cause Zed to crash.
15d59fcda9Smit Barmase committed on 5/28/2025, 1:00:51 AM· committed by GitHubparent6545c5e
2 files changedLine totals unavailable