Fixed including extra resources from OnApplyIncudes

[bart-degreed]

Makes the serializer aware of changes to inclusion trees applied from resource definitions. This enables adding extra includes from a resource definition.

Additional notes:

• Refactored existing tests to use friendlier models.
• Makes ResponseResourceObjectBuilder a bit faster, because it no longer evaluates all constraints on each include.
• Improved hit tracking assertions for resource definition callbacks.
• Optimization: removed callback invocations for to-one include (see QueryLayerComposer) because their results are never used.

I recommend reviewing the commits one by one.

Fixes #989.

QUALITY CHECKLIST

• Changes implemented in code
• Complies with our contributing guidelines
• Adapted tests
• N/A: Documentation updated
• N/A: Created issue to update Templates: {ISSUE_NUMBER}

[codecov]

Codecov Report

Merging #1011 (ed91e1c) into master (f145564) will increase coverage by 0.01%.
The diff coverage is 100.00%.

@@            Coverage Diff             @@
##           master    #1011      +/-   ##
==========================================
+ Coverage   91.47%   91.49%   +0.01%     
==========================================
  Files         274      275       +1     
  Lines        7652     7666      +14     
==========================================
+ Hits         7000     7014      +14     
  Misses        652      652              

Impacted Files	Coverage Δ
...NetCore/Configuration/JsonApiApplicationBuilder.cs	100.00% <100.00%> (ø)
...tCore/Queries/Expressions/IncludeChainConverter.cs	100.00% <100.00%> (ø)
...tNetCore/Queries/Internal/EvaluatedIncludeCache.cs	100.00% <100.00%> (ø)
...iDotNetCore/Queries/Internal/QueryLayerComposer.cs	97.54% <100.00%> (+0.06%)	⬆️
...rnal/ResourceDefinitionQueryableParameterReader.cs	100.00% <100.00%> (ø)
...iDotNetCore/Resources/JsonApiResourceDefinition.cs	100.00% <100.00%> (ø)
...erialization/AtomicOperationsResponseSerializer.cs	98.24% <100.00%> (+0.09%)	⬆️
...lization/Building/ResponseResourceObjectBuilder.cs	91.30% <100.00%> (-0.54%)	⬇️

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