Follow up fix for len wiretype fix

[puffyCid]

Real fix (hopefully) for calculate correct length value

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 97.08%. Comparing base (4aafd83) to head (cf1b856).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main       #6      +/-   ##
==========================================
+ Coverage   95.90%   97.08%   +1.18%     
==========================================
  Files          10       10              
  Lines         415      412       -3     
==========================================
+ Hits          398      400       +2     
+ Misses         17       12       -5     

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

🚀 New features to boost your workflow:

• ❄️ Test Analytics: Detect flaky tests, report on failures, and find test suite problems.