Fix write_conversion of default string to int and don't range check strings

[jmthomas]

closes #1825

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 79.56%. Comparing base (8990750) to head (3f69056).
Report is 22 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1845   +/-   ##
=======================================
  Coverage   79.56%   79.56%           
=======================================
  Files         519      519           
  Lines       40763    40760    -3     
=======================================
- Hits        32434    32432    -2     
+ Misses       8329     8328    -1     

Flag	Coverage Δ
python	84.26% <ø> (+<0.01%)	⬆️
ruby-api	48.61% <ø> (ø)
ruby-backend	82.57% <ø> (-0.01%)	⬇️

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[sonarqubecloud]

Quality Gate passed

Issues
2 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud