feat: client name in clientGroupsBlock should not be case-sensitive

[0xERR0R]

closes #894

[codecov]

Codecov Report

Patch coverage: 100.00% and project coverage change: -0.02 ⚠️

Comparison is base (3315873) 92.88% compared to head (b079d27) 92.86%.

Additional details and impacted files

@@               Coverage Diff               @@
##           development     #913      +/-   ##
===============================================
- Coverage        92.88%   92.86%   -0.02%     
===============================================
  Files               49       49              
  Lines             5368     5368              
===============================================
- Hits              4986     4985       -1     
- Misses             310      311       +1     
  Partials            72       72              

Impacted Files	Coverage Δ
resolver/blocking_resolver.go	98.14% <100.00%> (ø)
util/common.go	97.41% <100.00%> (ø)
resolver/query_logging_resolver.go	95.62% <0.00%> (-2.92%)	⬇️
lists/list_cache.go	98.78% <0.00%> (+1.21%)	⬆️

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