Debounce performing search depending on searchquery length

[LZRS]

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

Fixes #3574

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 32.14286% with 19 lines in your changes missing coverage. Please review.

Project coverage is 27.2%. Comparing base (6fc15b0) to head (989ebfe).

Files with missing lines	Patch %	Lines
...er/fhircore/quest/ui/register/RegisterViewModel.kt	32.1%	19 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##              main   #3576   +/-   ##
=======================================
  Coverage     27.1%   27.2%           
  Complexity     775     775           
=======================================
  Files          279     279           
  Lines        14563   14577   +14     
  Branches      2608    2608           
=======================================
+ Hits          3957    3966    +9     
- Misses       10065   10070    +5     
  Partials       541     541           

Flag	Coverage Δ
engine	63.7% <ø> (ø)
geowidget	16.0% <ø> (ø)
quest	5.8% <32.1%> (+<0.1%)	⬆️

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

Files with missing lines	Coverage Δ
...er/fhircore/quest/ui/register/RegisterViewModel.kt	2.2% <32.1%> (+2.2%)	⬆️