refactor: Changed How Response is Handled

[usernane]

Summary

Modify how response is handled by the core.

Motivation

• Return proper response type (json, array, plain)

Changes

This pull request has following changes:
See commits.

How to test / verify

Describe testing approach, if it uses unit tests, integration or manual.

• Unit tests

Breaking changes

• Yes (describe + migration notes below)

Migration notes (required if breaking)

What do users need to change in thier code?
Prevusly, when a scalare/string is returned by the controller, it will return a json as response and returned value is in "message" property. Now, the value is returned as is. No Json.

Checklist

• My commits follow Conventional Commits
• The title of the pull request follow Conventional Commits
• I added/updated tests (or explained why not)
• I updated docs (if needed)
• I ran lint/cs-fixer (if applicable)
• I considered backward compatibility and security

Related issues

Not Applicable

[codecov]

Codecov Report

❌ Patch coverage is 42.85714% with 12 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.30%. Comparing base (c6c8b2a) to head (baea2d5).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
WebFiori/Http/WebService.php	42.85%	12 Missing ⚠️

Additional details and impacted files

@@             Coverage Diff              @@
##               main      #94      +/-   ##
============================================
- Coverage     92.46%   92.30%   -0.17%     
- Complexity     1264     1265       +1     
============================================
  Files            39       39              
  Lines          3027     3042      +15     
============================================
+ Hits           2799     2808       +9     
- Misses          228      234       +6     

Flag	Coverage Δ
php-8.1	92.08% <42.85%> (-0.18%)	⬇️
php-8.2	92.14% <42.85%> (-0.16%)	⬇️
php-8.3	92.14% <42.85%> (-0.16%)	⬇️
php-8.4	92.14% <42.85%> (-0.16%)	⬇️
php-8.5	92.14% <42.85%> (-0.16%)	⬇️

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[sonarqubecloud]

Quality Gate passed

Issues
43 New issues
0 Accepted issues

Measures
12 Security Hotspots
0.0% Coverage on New Code
0.5% Duplication on New Code

See analysis details on SonarQube Cloud