Luka/gen hash fix

[luka-ethernal]

• Fix genesis_hash storing and checking (also system_version and spec_version)
• Add more useful logs in case finality verification fails

[codecov-commenter]

Codecov Report

Attention: 17 lines in your changes are missing coverage. Please review.

Comparison is base (f5d4460) 36.18% compared to head (ed826c6) 36.14%.

Files	Patch %	Lines
src/network/rpc/event_loop.rs	0.00%	14 Missing ⚠️
src/network/rpc.rs	0.00%	3 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##             main     #345      +/-   ##
==========================================
- Coverage   36.18%   36.14%   -0.05%     
==========================================
  Files          29       29              
  Lines       12793    12808      +15     
==========================================
  Hits         4629     4629              
- Misses       8164     8179      +15     

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