Get span from general IList<T> in AddRowAsync

[sveinungf]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 78.57143% with 3 lines in your changes missing coverage. Please review.

Project coverage is 91.86%. Comparing base (7961af9) to head (ae3961d).
Report is 9 commits behind head on main.

Files with missing lines	Patch %	Lines
SpreadCheetah/CellWriters/BaseCellWriter.cs	66.66%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #104      +/-   ##
==========================================
+ Coverage   91.84%   91.86%   +0.01%     
==========================================
  Files         150      149       -1     
  Lines        5533     5508      -25     
  Branches      924      919       -5     
==========================================
- Hits         5082     5060      -22     
+ Misses        212      211       -1     
+ Partials      239      237       -2     

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[github-actions]

Test Results

     9 files  ±0       9 suites  ±0   15m 26s ⏱️ + 3m 3s
 4 550 tests ±0   4 550 ✅ ±0  0 💤 ±0  0 ❌ ±0 
13 344 runs  ±0  13 344 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit ae3961d. ± Comparison against base commit 7961af9.