Code reuse for Spreadsheet and XML writers

[sveinungf]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 98.61111% with 1 line in your changes missing coverage. Please review.

Project coverage is 91.79%. Comparing base (50b9e89) to head (fd7c2f6).
Report is 4 commits behind head on main.

Files with missing lines	Patch %	Lines
SpreadCheetah/Helpers/ZipArchiveManager.cs	96.77%	0 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #97      +/-   ##
==========================================
- Coverage   91.99%   91.79%   -0.20%     
==========================================
  Files         152      152              
  Lines        5584     5497      -87     
  Branches      934      918      -16     
==========================================
- Hits         5137     5046      -91     
+ Misses        213      212       -1     
- Partials      234      239       +5     

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[github-actions]

Test Results

     9 files  ±0       9 suites  ±0   11m 55s ⏱️ + 1m 55s
 4 549 tests ±0   4 549 ✅ ±0  0 💤 ±0  0 ❌ ±0 
13 341 runs  ±0  13 341 ✅ ±0  0 💤 ±0  0 ❌ ±0 

Results for commit fd7c2f6. ± Comparison against base commit 50b9e89.