docs: Update note about agent message editor setting (#38805)
As of stable 206.0, the `agent.message_editor_min_lines` setting is
fully available, so removing the docs note that said it was only for
Preview.
Release Notes:
- N/A
0794de71e3Danilo Leal committed on 9/24/2025, 4:57:30 PM· committed by GitHubparent2b283e7