Fix HttpResponseMessage.Statuscode not returning backing field

[KlausVcb]

Description

The HttpResponseMessage.StatusCode was not exposed through it's backing field.

Motivation and Context

How Has This Been Tested?

Screenshots

Types of changes

• Improvement (non-breaking change that improves a feature, code or algorithm)
• Bug fix (non-breaking change which fixes an issue with code or algorithm)
• New feature (non-breaking change which adds functionality to code)
• Breaking change (fix or feature that would cause existing functionality to change)
• Config and build (change in the configuration and build system, has no impact on code or features)
• Dependencies (update dependencies and changes associated, has no impact on code or features)
• Unit Tests (add new Unit Test(s) or improved existing one(s), has no impact on code or features)
• Documentation (changes or updates in the documentation, has no impact on code or features)

Checklist:

• My code follows the code style of this project (only if there are changes in source code).
• My changes require an update to the documentation (there are changes that require the docs website to be updated).
• I have updated the documentation accordingly (the changes require an update on the docs in this repo).
• I have read the CONTRIBUTING document.
• I have tested everything locally and all new and existing tests passed (only if there are changes in source code).
• I have added new tests to cover my changes.

[josesimoes]

Could you please split the readme update on the separate PR?
We prefer to have PRs "atomic" and addring a single issue. 😉

[KlausVcb]

new PR #297 created, let me know if I did it wrong, 100% devops until recently so still getting used to Github

[josesimoes]

new PR #297 created, let me know if I did it wrong, 100% devops until recently so still getting used to Github

All great!
The only thing missing was to remove the readme change from this PR.
I'll do that by merging the changes in this PR once that one is merged.