allow princess to flee at end of movement

[kuronekochomusuke]

• allow princess to flee at end of movement
• correct issue with flee at start of turn for player

fixes #6368

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.98%. Comparing base (1f39721) to head (32394fc).
Report is 61 commits behind head on master.

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #6379      +/-   ##
============================================
+ Coverage     28.65%   28.98%   +0.32%     
- Complexity    14088    14091       +3     
============================================
  Files          2760     2674      -86     
  Lines        272561   269482    -3079     
  Branches      48333    47964     -369     
============================================
+ Hits          78099    78104       +5     
+ Misses       190482   187397    -3085     
- Partials       3980     3981       +1     

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[Sleet01]

LGTM