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 #2821

Types of changes

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• [x] Bugfix (non-breaking change which fixes an issue)
• [x] Enhancement (non-breaking change which adds functionality)
• [ ] Test enhancement (non-breaking change to increase test coverage)
• [ ] Breaking change (fix or feature that would cause existing functionality to not work as expected, requires version increase of Nuget packages)
• [ ] Documentation Update (if none of the other choices apply)

Checklist

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Further comments

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[KircMax]

with the adjustment the issuers are loaded:

[codecov[bot]]

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 :warning:

Additional details and impacted files

```diff @@ 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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