patch: improve setup and logging for wrp validators

[denopink]

• improve logging structure for validator errors
• error out during server setup if any validator metric fail to init

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 24 lines in your changes missing coverage. Please review.

Project coverage is 19.09%. Comparing base (d8f1c77) to head (750c5ab).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
primaryHandler.go	0.00%	24 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #418      +/-   ##
==========================================
- Coverage   19.58%   19.09%   -0.50%     
==========================================
  Files           7        7              
  Lines         623      639      +16     
==========================================
  Hits          122      122              
- Misses        499      515      +16     
  Partials        2        2              

Flag	Coverage Δ
unittests	19.09% <0.00%> (-0.50%)	⬇️

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