breadcrumbs: Update multibuffer to match singleton (#28267)

Before:


https://github.com/user-attachments/assets/a2c8fe84-14f6-4cda-b51a-5ada3e2523b6

After:


https://github.com/user-attachments/assets/559bcfe8-a40f-44cc-a626-b0544b6cea68



Release Notes:

- N/A
d3abc617285brian committed on 4/7/2025, 8:26:55 PM· committed by GitHubparente7a0f0e
1 file changedLine totals unavailable