feat: special negative-conditional cache for two properties that are very important for princess calculations

[Scoppio]

this property only caches false, any other value and it will have to recalculate itself every time until it turns to false. So, for the most part, it is going to be fast.

Also, it looks like it has no side-effects on other places since other places rely on the unit during gameplay, or loading it directly from a file.

There is also a reset builtin the property to make sure it is renewed every turn, so if it does not have the property it will calculate it at least once.

It still needs some more information on the API of the methods to explain why and how, and better testing from my part, comparing with and without the variable enabled.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 28.59%. Comparing base (54e363b) to head (18a8f95).
Report is 37 commits behind head on master.

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #6463   +/-   ##
=========================================
  Coverage     28.59%   28.59%           
- Complexity    14377    14384    +7     
=========================================
  Files          2798     2798           
  Lines        274895   274904    +9     
  Branches      48630    48631    +1     
=========================================
+ Hits          78593    78606   +13     
+ Misses       191669   191663    -6     
- Partials       4633     4635    +2     

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