OpenTUI: padding between section glitches when session starts #3650

Description

When --continueing a session, the spacing between sections seems to glitch and disappear, and inputting something into the text input fixes it.

In the image below, some space is missing above "Read README.md":

Also, here is a video of the glitch "auto-fixing" when I input some character:

OpenCode version

1.0.2

Steps to reproduce

1. Create a session with some actions taken by the agent
2. Close the session
3. opencode --continue
4. Observe the spacing glitch
5. Input some text
6. Observe the spacing glitch resolve itself

Screenshot and/or share link

Here is the video again of the glitch happening and resolving itself (and here is the shared session):

Operating System

macOS 15.6.1

Terminal

Ghostty