fit: further optimize the selection of witness rule candidates

[ethercflow]

ref #5568

What problem does this PR solve?

Issue Number: Close #5568

What is changed and how does it work?

Adding witnessScore makes the witness relatively more balanced when fit rule.

master

With witnessScore

fit: further optimize the selection of witness rule candidates

Check List

Tests

• No code

Code changes

• None

Side effects

• None

Related changes

• None

Release note

None.

[ti-chi-bot]

[REVIEW NOTIFICATION]

This pull request has been approved by:

• bufferflies
• disksing

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[codecov]

Codecov Report

Patch coverage: 60.00% and project coverage change: -0.52 ⚠️

Comparison is base (fe22771) 75.00% compared to head (3458660) 74.48%.

❗ Current head 3458660 differs from pull request most recent head 6f5223d. Consider uploading reports for the commit 6f5223d to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #6148      +/-   ##
==========================================
- Coverage   75.00%   74.48%   -0.52%     
==========================================
  Files         404      391      -13     
  Lines       39015    38184     -831     
==========================================
- Hits        29262    28441     -821     
- Misses       7202     7231      +29     
+ Partials     2551     2512      -39     

Flag	Coverage Δ
unittests	74.48% <60.00%> (-0.52%)	⬇️

Flags with carried forward coverage won't be shown. Click here to find out more.

Impacted Files	Coverage Δ
pkg/schedule/placement/fit.go	95.90% <60.00%> (-2.30%)	⬇️

... and 93 files with indirect coverage changes

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[disksing]

/merge

[ti-chi-bot]

@disksing: It seems you want to merge this PR, I will help you trigger all the tests:

/run-all-tests

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[ti-chi-bot]

This pull request has been accepted and is ready to merge.

Commit hash: 3458660

[ti-chi-bot]

@nathan-edgar: Your PR was out of date, I have automatically updated it for you.

If the CI test fails, you just re-trigger the test that failed and the bot will merge the PR for you after the CI passes.

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