Adjust env parsing to account for multiline env values (#10216)

fixes https://github.com/zed-industries/zed/issues/6012

Release Notes:

- N/A
518cfdbd56Mikayla Maki committed on 4/6/2024, 2:24:46 AM· committed by GitHubparentbf9b443
3 files changedLine totals unavailable