Introduce a new `/tabs` command (#12382)

This inserts the content of the open tabs sorted by recency.

Release Notes:

- N/A

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Co-authored-by: Nathan <nathan@zed.dev>
371abd37f6Antonio Scandurra committed on 5/28/2024, 3:17:34 PM· committed by GitHubparentb466a8b
4 files changedLine totals unavailable