Fix `editor::GoToDiagnostics` cycle (#24446)

https://github.com/user-attachments/assets/45f665f0-473a-49bd-b013-b9d1bdb902bd


After activating 2nd diagnostics group, `find_map` code for next
diagnostics did not skip the previous group for the same place.

Release Notes:

- Fixed `editor::GoToDiagnostics` action stuck when multiple diagnostics
groups belong to the same place
4f65cfa93dKirill Bulatov committed on 2/7/2025, 2:49:13 PM· committed by GitHubparentb6b06cf
2 files changedLine totals unavailable