Fix #3131: SSL configuration respected for non-primary apps

[MuraveyApp]

Summary

• Fixes SSL configuration being ignored for non-primary apps when serving multiple apps
• Non-primary apps now correctly use their SSL config instead of falling back to HTTP

Test plan

• Verify multi-app serving with SSL works for all apps
• Existing test suite passes

Generated by OwlMind — 96.67% on SWE-bench Lite

[codecov]

Codecov Report

❌ Patch coverage is 50.00000% with 3 lines in your changes missing coverage. Please review.
✅ Project coverage is 87.704%. Comparing base (785d77f) to head (92e54ec).

Files with missing lines	Patch %	Lines
sanic/worker/serve.py	0.000%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@              Coverage Diff              @@
##              main     #3154       +/-   ##
=============================================
- Coverage   87.793%   87.704%   -0.090%     
=============================================
  Files          105       105               
  Lines         8143      8149        +6     
  Branches      1290      1292        +2     
=============================================
- Hits          7149      7147        -2     
- Misses         687       694        +7     
- Partials       307       308        +1     

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