"Show offscreen command line at top of session" feature is cool but hides first line if `git log` output

Bug report

Thanks for filing an issue! Please answer the questions below so I can help you.

• iTerm2 version: Build 3.5.5
• OS version: 15.0
• Attach ~/Library/Preferences/com.googlecode.iterm2.plist here (drag-drop from finder into this window)
  • forgive me skipping this. i changed the plist file when trying to review its contents before attaching it here (with plutil -convert xml1 ~/Library/Preferences/com.googlecode.iterm2.plist, i didn't know its in-place).
• Attach a debug log, if possible.
• Attach a screen capture video if it would make the reproduction steps clearer -- Screen_Recording_2024-10-03_at_14.18.10

PLEASE ATTACH YOUR PLIST FILE FOR BUG REPORTS! Seriously! I'll probably ask you for it if you don’t.

Detailed steps to reproduce the problem

1. Enjoy the new "Show offscreen command line at top of session" option (it's cool & it's enabled by default)
2. run git log -- the last command isn't on the screen, since git log takes the whole terminal height
3. q to quit
4. run git log again

What happened

first line of git log output is covered with the command line

What should have happened

first line of git log output should be visible at least until i press q to quick the pager invoked by git log. i want to be able to copy the commit hash that's on that first line!

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