Update ConcurrentDictionary to Dictionary

[yuxl01]

Description

Try to do something simpler

Checklist

• [ yes ] I fully tested it as developer / designer and created unit / integration tests
• [yes ] I documented it (or no need to document or I will create a separate documentation issue)

How to test it?

1.Build a solution
2.Run the test case in the httpclient module class

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 51.48%. Comparing base (c7ff84a) to head (a74c9f9).
Report is 9 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev   #19415   +/-   ##
=======================================
  Coverage   51.48%   51.48%           
=======================================
  Files        3106     3106           
  Lines       98847    98847           
  Branches     7897     7897           
=======================================
+ Hits        50893    50895    +2     
+ Misses      46391    46390    -1     
+ Partials     1563     1562    -1     

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[maliming]

Thanks 👍