Reverts zed-industries/zed#31399
I found that in some cases, Zed will panic when using `editor: open
selections in multibuffer` if the selection is reversed. It doesn't
happen in most cases that I've tested, but in some strange edge cases
(that I dont fully understand ATM), it does. I'm reverting for now, as
the previous behavior is better than a panic, but will re-implement this
fix to preserving selection directions in a new PR with comprehensive
testing
Release Notes:
- N/A
Joseph T. Lyons
5270844b42