Implement save functionality for diff view (#33298)
Add `can_save` and `save` methods to `DiffView`, enabling users to save
changes made within the diff view.
Release Notes:
- Allow saving changes in the `zed --diff` view
360d73c763Ben Brandt committed on 6/24/2025, 9:17:53 AM· committed by GitHubparent668d5ee