fix: align AspireManager conflict for #427 (v5)

[mpaulosky]

Targets the remaining dev/main conflict for #427 by aligning AspireManager to main.

• updates only tests/AppHost.Tests/Infrastructure/AspireManager.cs
• full local pre-push gates passed

Refs #427

[github-actions]

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[Copilot]

Pull request overview

Aligns the AspireManager test infrastructure helper with main to resolve the remaining conflict from #427 by adjusting the DistributedApplicationTestingBuilder.CreateAsync call site formatting.

Changes:

• Updated indentation/formatting around the configureBuilder lambda in AspireManager to match the main branch’s expected shape.
• No functional test behavior changes intended (test-only file).

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 76.73%. Comparing base (9ba31ec) to head (dc74c77).
⚠️ Report is 1 commits behind head on dev.

Additional details and impacted files

@@           Coverage Diff           @@
##              dev     #432   +/-   ##
=======================================
  Coverage   76.73%   76.73%           
=======================================
  Files          71       71           
  Lines        1775     1775           
  Branches      214      214           
=======================================
  Hits         1362     1362           
  Misses        336      336           
  Partials       77       77           

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