Add application navigation graph tests for AppMainActivity

[LZRS]

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

Fixes #[issue number] or Closes #[issue number]

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

Merging #2641 (d1a814c) into main (ad3a737) will increase coverage by 2.9%.
Report is 73 commits behind head on main.
The diff coverage is 63.4%.

@@            Coverage Diff            @@
##              main   #2641     +/-   ##
=========================================
+ Coverage     64.5%   67.4%   +2.9%     
- Complexity    1075    1112     +37     
=========================================
  Files          218     223      +5     
  Lines         9635   10245    +610     
  Branches      1897    1876     -21     
=========================================
+ Hits          6218    6913    +695     
+ Misses        2234    2142     -92     
- Partials      1183    1190      +7     

Flag	Coverage Δ
engine	71.7% <68.4%> (-1.0%)	⬇️
geowidget	65.5% <33.3%> (+1.1%)	⬆️
quest	64.5% <59.4%> (+5.6%)	⬆️

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

Files	Coverage Δ
...rtregister/fhircore/engine/cql/LibraryEvaluator.kt	92.2% <100.0%> (+0.6%)	⬆️
...r/fhircore/engine/domain/model/RoundingStrategy.kt	100.0% <100.0%> (ø)
...gister/fhircore/engine/rulesengine/RulesFactory.kt	71.8% <100.0%> (+0.6%)	⬆️
...martregister/fhircore/engine/sync/AppSyncWorker.kt	100.0% <ø> (ø)
...ister/fhircore/engine/task/FhirTaskExpireWorker.kt	100.0% <100.0%> (ø)
...fhircore/engine/task/FhirTaskStatusUpdateWorker.kt	100.0% <100.0%> (ø)
...rcore/engine/util/extension/FhirEngineExtension.kt	80.0% <100.0%> (+2.8%)	⬆️
...hircore/engine/util/extension/ResourceExtension.kt	69.6% <100.0%> (-0.3%)	⬇️
...r/fhircore/geowidget/screens/GeoWidgetViewModel.kt	86.6% <100.0%> (+0.3%)	⬆️
...ircore/quest/data/register/RegisterPagingSource.kt	73.6% <100.0%> (+2.2%)	⬆️
... and 63 more

... and 34 files with indirect coverage changes

[pld]

nice! this part was always hard for me to figure out