New TUI: Scrolling behavior can be improved

[anthonyshew]

Verify canary release

• I verified that the issue exists in the latest Turborepo canary release.

Link to code that reproduces this issue

N/A

What package manager are you using / does the bug impact?

npm

What operating system are you using?

Other

Which canary version will you have in your reproduction?

2.0.6-canary.0

Describe the Bug

Lifting out questions about scrolling from #8372 so we can have separate GitHub Issues for separate issues.

Expected Behavior

See comments both on the original issue and below for expected behavior from the community.

To Reproduce

Scrolling in the new TUI.

Additional context

No response