add FindIssuerCAByKeyIdentifierAsync

[KircMax]

Proposed changes

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Related Issues

• Fixes Cannot find CA by Serial number when not accordingly filled in Certificate Extensions #3517

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[codecov]

Codecov Report

❌ Patch coverage is 43.75000% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 59.99%. Comparing base (d25caff) to head (292dce5).
⚠️ Report is 110 commits behind head on master.

Files with missing lines	Patch %	Lines
...ack/Opc.Ua.Core/Security/Certificates/X509Utils.cs	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3535      +/-   ##
==========================================
+ Coverage   51.86%   59.99%   +8.12%     
==========================================
  Files         370      378       +8     
  Lines       78618    78969     +351     
  Branches    13650    13808     +158     
==========================================
+ Hits        40779    47377    +6598     
+ Misses      33705    27176    -6529     
- Partials     4134     4416     +282     

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[romanett]

is this method also used in other places to find CA, then we should fix it in al places, or maybe even combine into a single method that checks both and deprecate the existing FindIssuerCABySerialNumberAsync

[KircMax]

this is the only place where this method was used.