Update RotateTool.js

[David2k13]

perfect: rotate touch

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• [X] The commit message follows our guidelines
• [X] Tests for the changes have been added (for bug fixes / features)
• [X] Docs have been added / updated (for bug fixes / features)

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[codecov[bot]]

Codecov Report

Attention: 2 lines in your changes are missing coverage. Please review.

Comparison is base (dbf874f) 23.86% compared to head (eb165e4) 23.85%.

Files	Patch %	Lines
src/tools/RotateTool.js	0.00%	2 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #1561      +/-   ##
==========================================
- Coverage   23.86%   23.85%   -0.01%     
==========================================
  Files         287      287              
  Lines       10141    10143       +2     
  Branches     2082     2082              
==========================================
  Hits         2420     2420              
- Misses       6575     6577       +2     
  Partials     1146     1146              

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