skpkg: rename variable cutted as cutoff_applied

[tinatn29]

closes #83 rename cutted as cutoff_applied in fourigui.py and its tests

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.78%. Comparing base (966bb4b) to head (d3850a0).
Report is 3 commits behind head on migration.

Additional details and impacted files

@@            Coverage Diff             @@
##           migration      #84   +/-   ##
==========================================
  Coverage      93.78%   93.78%           
==========================================
  Files              4        4           
  Lines            177      177           
==========================================
  Hits             166      166           
  Misses            11       11           

Files with missing lines	Coverage Δ
tests/test_fourigui.py	99.07% <100.00%> (ø)

🚀 New features to boost your workflow:

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