Revert "Touch up git in project panel and scroll bar styling" (#2511)

Reverts zed-industries/zed#2504, due to accidentally pulling in main
fb2f17e5c9Mikayla Maki committed on 5/22/2023, 10:36:15 PM· committed by GitHubparentsdcf47912d1c4a1
6 files changedLine totals unavailable