Configure non-nullable types as required

[AntiGuideAkquinet]

This is a contiuation of the work done in PR #2710. It closes #2036. If any changes are necessary I'll gladly add them.

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Codecov Report

Attention: Patch coverage is 85.71429% with 2 lines in your changes missing coverage. Please review.

Project coverage is 90.64%. Comparing base (3553751) to head (61760a4).

Files	Patch %	Lines
...DependencyInjection/SwaggerGenOptionsExtensions.cs	0.00%	2 Missing ⚠️

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Additional details and impacted files

@@            Coverage Diff             @@
##           master    #2803      +/-   ##
==========================================
- Coverage   90.67%   90.64%   -0.03%     
==========================================
  Files          74       74              
  Lines        2948     2961      +13     
  Branches      468      469       +1     
==========================================
+ Hits         2673     2684      +11     
- Misses        275      277       +2     

Flag	Coverage Δ
Linux	90.64% <85.71%> (-0.03%)	⬇️
Windows	90.64% <85.71%> (-0.03%)	⬇️
macOS	90.64% <85.71%> (-0.03%)	⬇️

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[AntiGuideAkquinet]

It seems like #2810 implemented the feature in the meantime. Thanks for the feedback on the code tough.

[martincostello]

That's a slightly different use case - that's about the required keyword - this change would help for projects not using it, no?

[SimonRask]

@martincostello This could indeed be very useful.

@AntiGuideAkquinet If this could be reopened, it would be appreciated. If you don't have time to address potential comments, I would be happy to help out. :)

[AntiGuideAkquinet]

@SimonRask I reopened the PR. Thank you for your help!

[martincostello]

Thanks for re-opening. If you resolve the merge conflicts I'll take a look.

[SimonRask]

I have (hopefully correctly) resolved the conflicts in my fork. I don't know if it is easier for me to open a new pull request, or if you can pull the changes into your branch. @AntiGuideAkquinet

[AntiGuideAkquinet]

@SimonRask Sure! I invited you as a collaborator on the forked repo that the PR is based on. You should be able to pull your changes in. 🙂

[SimonRask]

@martincostello Conflicts should be resolved now :)