Fix NTLM auth state when `iterationCount` is more than 2

[coditva]

This fix is kind of a hack because the architecture is not ideal. Verified that tests fail before the fix.

[codecov[bot]]

Codecov Report

Merging #945 into develop will increase coverage by 0.03%. The diff coverage is 75%.

@@            Coverage Diff             @@
##           develop    #945      +/-   ##
==========================================
+ Coverage    90.77%   90.8%   +0.03%     
==========================================
  Files           42      42              
  Lines         2373    2381       +8     
  Branches       668     670       +2     
==========================================
+ Hits          2154    2162       +8     
  Misses         219     219

Flag	Coverage Δ
#integration	80% <75%> (+0.06%)	:arrow_up:
#legacy	58.29% <18.75%> (-0.12%)	:arrow_down:
#unit	47.24% <0%> (-0.16%)	:arrow_down:

Impacted Files	Coverage Δ
lib/runner/extensions/item.command.js	92.85% <100%> (+0.17%)	:arrow_up:
lib/authorizer/ntlm.js	89.87% <69.23%> (+0.83%)	:arrow_up:

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