fix: do not alter telemetry ctx pt.2

[stijnmoreels]

Fixes the second set of telemetry extensions w/ a telemetry context that does not alter the original passed-in context. Split in two parts as there are a lot of extensions/tests to be changed.

Relates to #545

[netlify]

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[codecov]

Codecov Report

Attention: 6 lines in your changes are missing coverage. Please review.

Comparison is base (415964f) 87.50% compared to head (bff8ac6) 87.77%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #547      +/-   ##
==========================================
+ Coverage   87.50%   87.77%   +0.26%     
==========================================
  Files          71       71              
  Lines        3081     3067      -14     
  Branches      203      189      -14     
==========================================
- Hits         2696     2692       -4     
  Misses        312      312              
+ Partials       73       63      -10     

Files	Coverage Δ
...Core/Extensions/ILoggerHttpDependencyExtensions.cs	98.14% <100.00%> (-0.04%)	⬇️
...tensions/ILoggerAzureSearchDependencyExtensions.cs	100.00% <100.00%> (ø)
...Extensions/ILoggerCosmosSqlDependencyExtensions.cs	100.00% <100.00%> (+1.85%)	⬆️
...re/Extensions/ILoggerCustomDependencyExtensions.cs	100.00% <100.00%> (ø)
...elemetry.Core/Extensions/ILoggerEventExtensions.cs	100.00% <100.00%> (ø)
...Extensions/ILoggerEventHubsDependencyExtensions.cs	100.00% <100.00%> (+2.12%)	⬆️
...xtensions/ILoggerServiceBusDependencyExtensions.cs	100.00% <100.00%> (ø)
....AspNetCore/Extensions/ILoggerRequestExtensions.cs	73.17% <0.00%> (+3.93%)	⬆️
...re/Extensions/ILoggerEventHubsRequestExtensions.cs	97.36% <0.00%> (ø)
...Core/Extensions/ILoggerGeneralRequestExtensions.cs	96.55% <0.00%> (ø)
... and 1 more

... and 1 file with indirect coverage changes

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