Fix zero-sized message editors when context strip is empty (#30079)

Release Notes:

- Fixed a bug that would cause the message composer in the agent panel
to not render when the context strip was empty.

Co-authored-by: Ben Brandt <benjamin.j.brandt@gmail.com>
Co-authored-by: Nathan Sobo <nathan@zed.dev>
9711fb49dcAntonio Scandurra committed on 5/7/2025, 9:02:20 AM· committed by GitHubparentc15e5d2
1 file changedLine totals unavailable