Ensure endpoints are returned when alternate url port does not match

[mregen]

Proposed changes

• Ensure endpoints are returned even if the client url port do not match (similar to client)
• Improve endpoint tests

Related Issues

• Fixes OPC UA Server with https-uabinary behind a reverseproxy with different port #2361

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• 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)

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Further comments

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[codecov]

Codecov Report

Attention: 1 lines in your changes are missing coverage. Please review.

Comparison is base (2b9d8f9) 53.81% compared to head (d15011c) 53.97%.

Files	Patch %	Lines
Libraries/Opc.Ua.Client/CoreClientUtils.cs	50.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2511      +/-   ##
==========================================
+ Coverage   53.81%   53.97%   +0.16%     
==========================================
  Files         334      334              
  Lines       64409    64424      +15     
  Branches    13235    13239       +4     
==========================================
+ Hits        34663    34775     +112     
+ Misses      25990    25903      -87     
+ Partials     3756     3746      -10     

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[mregen]

should have been computerName