Fix: wrong java keywords

[mkslanc]

Issue #, if available: #5693

Description of changes:

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Pull Request Checklist:

• No backwards incompatible changes were made to Ace's public interface which is defined through the main typings file (ace.d.ts) and its references:
  • https://github.com/ajaxorg/ace/blob/master/ace.d.ts
  • https://github.com/ajaxorg/ace/blob/master/ace-modes.d.ts
  • https://github.com/ajaxorg/ace/blob/master/ace-extensions.d.ts

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 87.10%. Comparing base (b3de3c1) to head (f4f6e9b).
Report is 5 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #5759   +/-   ##
=======================================
  Coverage   87.10%   87.10%           
=======================================
  Files         602      602           
  Lines       44092    44092           
  Branches     7234     7234           
=======================================
  Hits        38407    38407           
  Misses       5685     5685           

Flag	Coverage Δ
unittests	87.10% <ø> (ø)

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