fix(git): respect .gitignore when copying source directory

[dinhphieu]

Checklist

All items have to be completed before a PR is merged

• Adhere to Contribution Guidelines
• Updates to Decision Records considered?
• Updates to documentation at flxbl-sfp Guide considered?
• Tested changes?
• Unit Tests new and existing passing locally?

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 47.67%. Comparing base (2bd58ec) to head (ccf51ba).
Report is 79 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #158      +/-   ##
==========================================
+ Coverage   46.36%   47.67%   +1.30%     
==========================================
  Files          73       72       -1     
  Lines        2836     3459     +623     
  Branches      328      762     +434     
==========================================
+ Hits         1315     1649     +334     
- Misses       1496     1672     +176     
- Partials       25      138     +113     

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