Fix a bug that prevented repositories from being deduplicated (#27884)

Closes #ISSUE

Release Notes:

- Ensure that only one repository is shown in the git UI when two
subdirectories of a repository root are open in Zed
6262a4638bCole Miller committed on 4/1/2025, 10:41:01 PM· committed by GitHubparent8321e65
2 files changedLine totals unavailable