agent_ui: Improve message editor history navigation (#35532)
- We no longer move through history if a message has been edited by the
user -
It is possible to navigate back down to an empty message
Co-authored-by: Cole Miller <cole@zed.dev>
Release Notes:
- N/A
Co-authored-by: Cole Miller <cole@zed.dev>
986e3e7cbcBen Brandt committed on 8/2/2025, 9:49:22 PM· committed by GitHubparentf4391ed