Add speaker identification2

[raivisdejus]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 58.33333% with 135 lines in your changes missing coverage. Please review.
✅ Project coverage is 78.81%. Comparing base (cabbd48) to head (0c17a9a).
⚠️ Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
...nscription_viewer/speaker_identification_widget.py	58.80%	117 Missing ⚠️
buzz/buzz.py	0.00%	9 Missing ⚠️
...ranscription_viewer/transcription_viewer_widget.py	63.63%	8 Missing ⚠️
buzz/transcriber/whisper_cpp.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1290      +/-   ##
==========================================
- Coverage   80.04%   78.81%   -1.24%     
==========================================
  Files          86       87       +1     
  Lines        6426     6744     +318     
==========================================
+ Hits         5144     5315     +171     
- Misses       1282     1429     +147     

Flag	Coverage Δ
Linux	77.59% <43.20%> (-1.74%)	⬇️
macOS	78.63% <58.33%> (-0.80%)	⬇️

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