agent: Change the reject changes keybinding (#28381)

This PR makes the reject keybinding, in the Review Changes mutlbuffer,
`cmd-n`.

Release Notes:

- N/A
c8caae03dfDanilo Leal committed on 4/9/2025, 12:09:05 AM· committed by GitHubparentdabc4d8
2 files changedLine totals unavailable