cmd: rescope distributed validator pubkey during slice iteration

[gsora]

Fixes the issue where during a create cluster workflow with more than one distributed validator, only the last key in the pubkey slice was used for them all.

This should fix compose tests 500 errors as well.

category: bug
ticket: none

[codecov]

Codecov Report

Base: 55.00% // Head: 55.13% // Increases project coverage by +0.12% 🎉

Coverage data is based on head (787dbb2) compared to base (9483de1).
Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1802      +/-   ##
==========================================
+ Coverage   55.00%   55.13%   +0.12%     
==========================================
  Files         168      168              
  Lines       22043    22010      -33     
==========================================
+ Hits        12125    12135      +10     
+ Misses       8352     8312      -40     
+ Partials     1566     1563       -3     

Impacted Files	Coverage Δ
cmd/createcluster.go	55.36% <100.00%> (+0.09%)	⬆️
app/vmock.go	76.16% <0.00%> (ø)
cmd/relay.go	0.00% <0.00%> (ø)
cmd/cmd.go	81.73% <0.00%> (+0.77%)	⬆️
core/qbft/qbft.go	83.19% <0.00%> (+0.84%)	⬆️
core/scheduler/scheduler.go	77.34% <0.00%> (+1.14%)	⬆️

Help us with your feedback. Take ten seconds to tell us how you rate us. Have a feature suggestion? Share it here.

☔ View full report at Codecov.
📢 Do you have feedback about the report comment? Let us know in this issue.