multi_buffer: Merge adjacent matches into a single excerpt when separated by only one line (#31708)

Closes #31252

Release Notes:

- Improved displaying of project search matches or diagnostics when the
excerpts are adjacent.

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Co-authored-by: Antonio Scandurra <me@as-cii.com>
07dab4e94aKiran_Peraka committed on 6/3/2025, 10:07:59 AM· committed by GitHubparent59686f1
2 files changedLine totals unavailable