Fix typo in WSContextInit type

[Ariel-Moroshko]

Changed WSContestInit to WSContextInit to correctly reflect that this is a WebSocket Context initialization type, not Contest. This was a simple typo where 'Context' was misspelled as 'Contest' in the type name.

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 94.71%. Comparing base (3a59d86) to head (c97677e). Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff            @@
##             main    #3575    +/-   ##
========================================
  Coverage   94.71%   94.71%            
========================================
  Files         157      157            
  Lines        9539     9539            
  Branches     2774     2918   +144     
========================================
  Hits         9035     9035            
  Misses        504      504            

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[yusukebe]

@Ariel-Moroshko

Nice! I'll merge it now. Thank you!