Fix questionnaire prepopulation using initialExpression

[LZRS]

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

Fixes #3237

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

All modified and coverable lines are covered by tests ✅

Project coverage is 65.5%. Comparing base (ac82739) to head (556d72c).
Report is 38 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##              main   #3240      +/-   ##
==========================================
+ Coverage     29.6%   65.5%   +35.8%     
+ Complexity     658     599      -59     
==========================================
  Files          239     126     -113     
  Lines        11204    4596    -6608     
  Branches      1948     757    -1191     
==========================================
- Hits          3323    3013     -310     
+ Misses        7447    1199    -6248     
+ Partials       434     384      -50     

Flag	Coverage Δ
engine	66.5% <ø> (+0.3%)	⬆️
geowidget	47.2% <ø> (ø)
quest	?

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see 117 files with indirect coverage changes