Get RelatedPerson Age and Gender via Rules Engine

[qiarie]

IMPORTANT: Where possible all PRs must be linked to a Github issue

Fixes [link to issue]

Engineer Checklist

• I have written Unit tests for any new feature(s) and edge cases for bug fixes
• I have added any strings visible on UI components to the strings.xml file
• I have updated the CHANGELOG.md file for any notable changes to the codebase
• I have run ./gradlew spotlessApply and ./gradlew spotlessCheck to check my code follows the project's style guide
• I have built and run the FHIRCore app to verify my change fixes the issue and/or does not break the app
• I have checked that this PR does NOT introduce breaking changes that require an update to Content and/or Configs? If it does add a sample here or a link to exactly what changes need to be made to the content.

Code Reviewer Checklist

• I have verified Unit tests have been written for any new feature(s) and edge cases
• I have verified any strings visible on UI components are in the strings.xml file
• I have verifed the CHANGELOG.md file has any notable changes to the codebase
• I have verified the solution has been implemented in a configurable and generic way for reuseable components
• I have built and run the FHIRCore app to verify the change fixes the issue and/or does not break the app

[codecov]

Codecov Report

Attention: Patch coverage is 80.64516% with 6 lines in your changes missing coverage. Please review.

Project coverage is 28.2%. Comparing base (70a8bc1) to head (e80924c).

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #3384   +/-   ##
=======================================
  Coverage     28.2%   28.2%           
  Complexity     713     713           
=======================================
  Files          266     266           
  Lines        12728   12737    +9     
  Branches      2258    2264    +6     
=======================================
+ Hits          3599    3603    +4     
  Misses        8661    8661           
- Partials       468     473    +5     

Flag	Coverage Δ
engine	64.9% <80.6%> (-0.1%)	⬇️
geowidget	19.8% <ø> (ø)
quest	4.8% <ø> (ø)

Flags with carried forward coverage won't be shown. Click here to find out more.

Files	Coverage Δ
...fhircore/engine/util/extension/PatientExtension.kt	33.3% <ø> (-49.1%)	⬇️
...hircore/engine/util/extension/ResourceExtension.kt	67.8% <90.9%> (+1.9%)	⬆️
...gister/fhircore/engine/rulesengine/RulesFactory.kt	68.4% <55.5%> (-1.9%)	⬇️