Add retry handler to authentication providers

[patrikhellgren]

Q	A
Bug fix?	no
New feature?	yes
New sample?	no
Related issues?

What's in this Pull Request?

Added Msal Http Client Factory with retry handler to authentication providers.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 93.33333% with 2 lines in your changes missing coverage. Please review.

Project coverage is 82.45%. Comparing base (c13436b) to head (b7b24f2).
Report is 3629 commits behind head on dev.

Files with missing lines	Patch %	Lines
...h/Confidential/OnBehalfOfAuthenticationProvider.cs	60.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##              dev     #656      +/-   ##
==========================================
+ Coverage   75.32%   82.45%   +7.12%     
==========================================
  Files         257      414     +157     
  Lines       19708    28536    +8828     
==========================================
+ Hits        14846    23529    +8683     
- Misses       4862     5007     +145     

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