util: Fix shell builder quoting regressions (#44685)

Follow up to https://github.com/zed-industries/zed/pull/42382

Release Notes:

- N/A *or* Added/Fixed/Improved ...
a8aa7622b7Lukas Wirth committed on 12/12/2025, 11:06:49 AM· committed by GitHubparenta66854e
6 files changedLine totals unavailable