add auto accept untrusted certificates for GetIssuerNoExceptionAsync …

[KircMax]

Use AutoAcceptUntrustedCertificates in GetIssuerNoExceptionAsync to always get the issuers when not caring about the trust relation.

Proposed changes

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Related Issues

• Fixes Cannot use Ca-Signed Client Certificate #2821

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Further comments

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[KircMax]

with the adjustment the issuers are loaded:

[codecov]

Codecov Report

Attention: Patch coverage is 66.66667% with 4 lines in your changes missing coverage. Please review.

Project coverage is 55.07%. Comparing base (b2d715d) to head (a86af6a).

Files with missing lines	Patch %	Lines
...Core/Security/Certificates/CertificateValidator.cs	66.66%	1 Missing and 3 partials ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2822      +/-   ##
==========================================
- Coverage   55.70%   55.07%   -0.63%     
==========================================
  Files         352      352              
  Lines       67332    67344      +12     
  Branches    13806    13809       +3     
==========================================
- Hits        37506    37089     -417     
- Misses      25792    26171     +379     
- Partials     4034     4084      +50     

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[romanett]

The function is supposed to return trusted issuers.
This code of this PR will tamper certificate validation.
The AutoAcceptUntrustedCertificates is specifically used in a later phase of the validation.
Further discussion needed, i am not yet shure about this change, just writing down my concerns