bug: terminal: pasting a command with a `\n` at end messes up cursor when scrolling thru previous commands

[nick1udwig]

Describe the bug
See title

To Reproduce
Steps to reproduce the behavior:

1. Copy a command, e.g., from Kinode book, with a newline at the end of it.
2. Paste into terminal.
3. .
4. Scroll up to command history.
5. Note cursor is bound to far left until you hit .

Expected behavior
Not sure. Maybe show the line + newline with cursor on second line?

[dr-frmr]

fixed in #288