eth2wrap: fix node peer count

[xenowits]

Fixes bug in NodePeerCount method.

category: bug
ticket: #1603

[codecov]

Codecov Report

Base: 54.58% // Head: 54.62% // Increases project coverage by +0.03% 🎉

Coverage data is based on head (55953e2) compared to base (e95d9b8).
Patch coverage: 0.00% of modified lines in pull request are covered.

❗ Current head 55953e2 differs from pull request most recent head b9bacf6. Consider uploading reports for the commit b9bacf6 to get more accurate results

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1681      +/-   ##
==========================================
+ Coverage   54.58%   54.62%   +0.03%     
==========================================
  Files         158      158              
  Lines       20545    20545              
==========================================
+ Hits        11215    11222       +7     
+ Misses       7842     7836       -6     
+ Partials     1488     1487       -1     

Impacted Files	Coverage Δ
app/eth2wrap/httpwrap.go	22.76% <0.00%> (ø)
core/qbft/qbft.go	83.40% <0.00%> (ø)
core/scheduler/scheduler.go	74.25% <0.00%> (+0.45%)	⬆️
core/leadercast/transport.go	76.33% <0.00%> (+1.18%)	⬆️
app/vmock.go	75.64% <0.00%> (+1.55%)	⬆️

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