Use new multibuffer excerpts in find-all-references and friends (#27876)

Release Notes:

- N/A

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Co-authored-by: Kirill Bulatov <mail4score@gmail.com>
9bc4697a33Conrad Irwin committed on 4/1/2025, 9:42:32 PM· committed by GitHubparente7290df
7 files changedLine totals unavailable