[MINOR] off-by-one error in CSV header writing

[t99-i]

fixed incorrect column name indexing (off-by-one error) in CSV header writing

[t99-i]

@janniklinde

[janniklinde]

Thanks for identifying and fixing the issue @t99-i. It would be great if you could include a test case which would fail with the old implementation.

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 71.41%. Comparing base (3de7cbe) to head (dee8ae6).
⚠️ Report is 130 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #2557      +/-   ##
============================================
+ Coverage     71.36%   71.41%   +0.04%     
- Complexity    48688    50714    +2026     
============================================
  Files          1570     1642      +72     
  Lines        188757   197164    +8407     
  Branches      37039    38306    +1267     
============================================
+ Hits         134711   140798    +6087     
- Misses        43594    45290    +1696     
- Partials      10452    11076     +624     

Flag	Coverage Δ
java	71.41% <100.00%> (?)

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[Baunsgaard]

Thanks @t99-i for the bug fix, while merging i just fixed the code style formatting.