🩹 fix erroneous cast in AodOperation

[burgholzer]

Description

This fixes a small erroneous cast in the AodOperation class that could potentially cause compilation errors on some systems.

Checklist:

• The pull request only contains commits that are related to it.
• I have added appropriate tests and documentation.
• I have made sure that all CI jobs on GitHub pass.
• The pull request introduces no new warnings and follows the project's style guidelines.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.6%. Comparing base (b41c3ee) to head (65cf494).
Report is 133 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main    #647   +/-   ##
=====================================
  Coverage   91.6%   91.6%           
=====================================
  Files        148     148           
  Lines      14755   14755           
  Branches    2369    2369           
=====================================
  Hits       13522   13522           
  Misses      1233    1233           

Flag	Coverage Δ
cpp	91.3% <100.0%> (ø)
python	99.7% <ø> (ø)

Files with missing lines	Coverage Δ
include/mqt-core/operations/AodOperation.hpp	91.6% <100.0%> (ø)