bug: fix constant prediction early stopping rollback

[rpreen]

fix constant prediction early stopping rollback - currently predictions are reset upon copying so get lost when performing a rollback during early stopping - this does NOT affect NLMS or RLS, etc., since the weights are copied and the predictions are computed

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 70.59%. Comparing base (8d22d41) to head (e0bbafa).
⚠️ Report is 1 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #214   +/-   ##
=======================================
  Coverage   70.59%   70.59%           
=======================================
  Files          61       61           
  Lines        8940     8941    +1     
  Branches      934      934           
=======================================
+ Hits         6311     6312    +1     
  Misses       2629     2629           

☔ 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.

[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
100.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud