Refactor buildLeadingImage

[epou]

No description provided.

[Copilot]

Pull Request Overview

This PR refactors the buildLeadingImage method to improve code maintainability by extracting common placeholder widget creation logic and introducing a constant for repeated size values.

Key Changes:

• Extracted placeholder widget creation into a helper function to eliminate code duplication
• Introduced a size constant to replace magic numbers for width/height values

[codecov]

Codecov Report

❌ Patch coverage is 0% with 9 lines in your changes missing coverage. Please review.
✅ Project coverage is 25.52%. Comparing base (221e724) to head (337ebec).
⚠️ Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
...my_reports_pages/detail/shared_report_widgets.dart	0.00%	9 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #643      +/-   ##
==========================================
+ Coverage   25.45%   25.52%   +0.07%     
==========================================
  Files          25       25              
  Lines        1662     1657       -5     
==========================================
  Hits          423      423              
+ Misses       1239     1234       -5     

Flag	Coverage Δ
unittests	25.52% <0.00%> (+0.07%)	⬆️

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

Files with missing lines	Coverage Δ
...my_reports_pages/detail/shared_report_widgets.dart	10.16% <0.00%> (+0.79%)	⬆️

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