[Bug] [Company Generator] Correct Starting Cash Dice Count

[IllianiCBT]

The tooltip for starting cash dice count states that the base value of 18 dice is enough for a company. However, the default dice count is 17, not 18.

This patch changes default starting cash dice count from 17 to 18.

I opted to change the default dice count, and not the tooltip, as 18 is easily divided by 3 for players who wish to base their starting funds on their initial lance count. i.e. 6 dice per lance.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 1 lines in your changes are missing coverage. Please review.

Project coverage is 10.64%. Comparing base (fbbf4d8) to head (e5ac412).

Files	Patch %	Lines
...se/companyGeneration/CompanyGenerationOptions.java	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff            @@
##             master    #3895   +/-   ##
=========================================
  Coverage     10.64%   10.64%           
  Complexity     5487     5487           
=========================================
  Files           834      834           
  Lines        113856   113856           
  Branches      17193    17193           
=========================================
  Hits          12119    12119           
  Misses       100528   100528           
  Partials       1209     1209           

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