fix(core-api): return the correct total count for /api/v2/peers

[faustbrian]

Proposed changes

Return the correct total count for /api/v2/peers

Types of changes

• Bugfix (non-breaking change which fixes an issue)

Checklist

• I have read the CONTRIBUTING documentation
• Lint and unit tests pass locally with my changes

[codecov-io]

Codecov Report

Merging #1563 into develop will not change coverage.
The diff coverage is n/a.

@@           Coverage Diff            @@
##           develop    #1563   +/-   ##
========================================
  Coverage    74.75%   74.75%           
========================================
  Files          439      439           
  Lines         7894     7894           
  Branches      1038     1038           
========================================
  Hits          5901     5901           
  Misses        1770     1770           
  Partials       223      223

Impacted Files	Coverage Δ
packages/core-api/lib/versions/2/handlers/peers.js	61.76% <ø> (ø)	⬆️

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