Corrected Art Skill Type Names

[IllianiCBT]

• Updated skill cost array initialization to use explicit values and provide clearer structure.
• Replaced incorrect S_ART_DANCING references with appropriate constants for corresponding art skills.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 11.43%. Comparing base (0d4959b) to head (f44952c).
Report is 19 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6577      +/-   ##
============================================
- Coverage     11.57%   11.43%   -0.15%     
- Complexity     6402     6451      +49     
============================================
  Files          1085     1087       +2     
  Lines        139604   139447     -157     
  Branches      21532    21560      +28     
============================================
- Hits          16166    15944     -222     
- Misses       121868   121908      +40     
- Partials       1570     1595      +25     

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