Remove agent_diff key context when agent review ends for an editor (#31930)

Release Notes:

- Fixed an issue that prevented `git::Restore` keybindings from working
in editors for buffers that had previously been modified by the agent.

Co-authored-by: Anthony Eid <hello@anthonyeid.me>
b14401f817Cole Miller committed on 6/2/2025, 11:46:04 PM· committed by GitHubparent17cf865
1 file changedLine totals unavailable