[PM-39279] chore: Remove unnecessary ErrorReportBuilderTests setup

[matt-livefront]

🎟️ Tracking

PM-39279

📔 Objective

Removes some unnecessary setup in ErrorReportBuilderTests.

Swift Testing makes it hard to see how long these tests take in the larger suite of tests, but sometimes I see these tests popping up with long test times (>1 second). I'm not sure how much of an effect this will have, but the tests seemed faster in the runs that I did without this setup. And there's no UI here, so there shouldn't be any downsides.

[github-actions]

🤖 Bitwarden Claude Code Review

Overall Assessment: APPROVE

Reviewed the removal of UI appearance setup (UI.applyDefaultAppearances(), UI.animated, UI.sizeCategory) and the @MainActor annotation from ErrorReportBuilderTests. The change is test-only and well-scoped. All tests in the file assert on text output via assertInlineSnapshot(..., as: .lines) rather than rendering views, so the removed UI configuration was genuinely unnecessary. ErrorReportBuilder is a pure data builder with no UI or main-actor dependencies, so dropping @MainActor is safe.

Code Review Details

No findings. The removed setup served no purpose for these text-based inline snapshot tests, and no test body or the subject under test relies on main-actor isolation or the UI appearance state.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 40.65%. Comparing base (68caf09) to head (c151167).

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #2807       +/-   ##
===========================================
- Coverage   80.82%   40.65%   -40.18%     
===========================================
  Files        1018      356      -662     
  Lines       64941    16583    -48358     
===========================================
- Hits        52490     6742    -45748     
+ Misses      12451     9841     -2610     

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