typo(visualizer): fix typo to separator

[eltociear]

seperator -> separator

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 14.31%. Comparing base (7655e73) to head (001d7ec).
Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #46   +/-   ##
=======================================
  Coverage   14.31%   14.31%           
=======================================
  Files          40       40           
  Lines        1034     1034           
  Branches      169      169           
=======================================
  Hits          148      148           
  Misses        862      862           
  Partials       24       24           

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