chore: Update replay-headers to report differences in rewards and kickouts

[tayfunelmas]

We have been using the neard replay-headers command to simulate validator rewards and kickouts computations for past epochs to check the difference between original and replayed runs.

Submitting the new version of the command we have been using for simulating the reward/kickout computations for chunk validators in the context of #11900.

This version no longer assumes that the original and replayed values are the same and prints the diffs in kickouts and rewards (stakes).

[wacban]

LGTM

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 112 lines in your changes missing coverage. Please review.

Project coverage is 71.40%. Comparing base (051289d) to head (33eac8f).
Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
tools/state-viewer/src/replay_headers.rs	0.00%	112 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master   #12048      +/-   ##
==========================================
- Coverage   71.42%   71.40%   -0.03%     
==========================================
  Files         814      814              
  Lines      163933   164040     +107     
  Branches   163933   164040     +107     
==========================================
+ Hits       117097   117132      +35     
- Misses      41704    41774      +70     
- Partials     5132     5134       +2     

Flag	Coverage Δ
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pytests	1.54% <0.00%> (-0.01%)	⬇️
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upgradability	0.22% <0.00%> (-0.01%)	⬇️

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