Fix: Avoid comparing boolean with boolean

[localheinz]

This pull request

• avoids comparing a boolean with a boolean

[codecov]

Codecov Report

Merging #394 (76ec046) into main (2b886ee) will not change coverage.
The diff coverage is 100.00%.

@@            Coverage Diff            @@
##               main     #394   +/-   ##
=========================================
  Coverage     83.93%   83.93%           
  Complexity      151      151           
=========================================
  Files            23       23           
  Lines           498      498           
=========================================
  Hits            418      418           
  Misses           80       80           

Impacted Files	Coverage Δ
src/Classes/FinalRule.php	87.50% <100.00%> (ø)

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