Maintain root repo common dir path as a field on Worktree (#53023)

This enables us to always different git worktrees of the same repo
together.

Depends on https://github.com/zed-industries/cloud/pull/2220

Release Notes:

- N/A

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Co-authored-by: Eric Holk <eric@zed.dev>
20f7308677Max Brunsfeld committed on 4/3/2026, 4:16:35 AM· committed by GitHubparent134dec8
17 files changedLine totals unavailable