fix(core-database): fix round order

[rainydio]

Summary

While checking block generator block processor loads round from database, but rows aren't guaranteed to be ordered. There is no built-in guarantee in db on which order rows will come out. Usually they are in order they were added, but it might be mixed.

New RoundRepository.getRound method returns rows the same way they were sorted when list of round delegates was built ordered by balance desc, public_key asc.

Equivalent to:

this.activeDelegates.sort((a, b) => {
    const voteBalanceA = a.getAttribute("delegate.voteBalance");
    const voteBalanceB = b.getAttribute("delegate.voteBalance");
    const diff = voteBalanceB.comparedTo(voteBalanceA);
    if (diff === 0) {
        return a.publicKey.localeCompare(b.publicKey, "en");
    }
    return diff
})

Checklist

• Tests
• Ready to be merged

[codecov]

Codecov Report

Merging #3816 into develop will decrease coverage by 0.12%.
The diff coverage is 100.00%.

@@             Coverage Diff             @@
##           develop    #3816      +/-   ##
===========================================
- Coverage    97.28%   97.15%   -0.13%     
===========================================
  Files          617      617              
  Lines        13921    13922       +1     
  Branches      1636     1636              
===========================================
- Hits         13543    13526      -17     
- Misses         117      135      +18     
  Partials       261      261              

Flag	Coverage Δ
#functional	6.35% <50.00%> (-0.13%)	⬇️
#integration	10.18% <0.00%> (-0.01%)	⬇️
#unit	95.21% <50.00%> (-0.01%)	⬇️

Impacted Files	Coverage Δ
packages/core-database/src/database-service.ts	97.59% <100.00%> (ø)
...core-database/src/repositories/round-repository.ts	87.50% <100.00%> (-12.50%)	⬇️
...e-test-framework/src/matchers/functional/entity.ts	38.70% <0.00%> (-54.84%)	⬇️

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