hotfix: fix parallel_cache_files timeout error

[DRMPN]

This is a 🐛 bug fix.

Summary

• Add option to enable/disable baseline model fitting for classification examples
• Lower timeout thresholds for regression and time series forecasting tests (retains original timeout for classification)

Context

Attempt to resolve an occasionally timeout error.

[github-actions]

Code has no PEP8 errors!

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 80.78%. Comparing base (f0e6766) to head (14b51a7).

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1388   +/-   ##
=======================================
  Coverage   80.78%   80.78%           
=======================================
  Files         148      148           
  Lines       10746    10746           
=======================================
  Hits         8681     8681           
  Misses       2065     2065           

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[DRMPN]

Integration runs:

⏳ - https://github.com/aimclub/FEDOT/actions/runs/14764803646