Bark when nuraft hit fatal error and invoke system_exit

[Besroy]

related PRs:
SM: https://github.corp.ebay.com/SDS/storage_mgr/pull/263
sisl: eBay/sisl#338

[codecov-commenter]

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Codecov Report

❌ Patch coverage is 0% with 3 lines in your changes missing coverage. Please review.
⚠️ Please upload report for BASE (stable/v7.x@3fe0ff3). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/lib/replication/repl_dev/raft_repl_dev.cpp	0.00%	3 Missing ⚠️
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Additional details and impacted files

@@              Coverage Diff               @@
##             stable/v7.x     #925   +/-   ##
==============================================
  Coverage               ?   48.28%           
==============================================
  Files                  ?      110           
  Lines                  ?    13119           
  Branches               ?     6328           
==============================================
  Hits                   ?     6334           
  Misses                 ?     2557           
  Partials               ?     4228           

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