fix(autoware_probabilistic_occupancy_grid_map): fix functionConst

[kobayu858]

Description

This is a fix based on cppcheck functionConst warnings.

perception/autoware_probabilistic_occupancy_grid_map/lib/fusion_policy/fusion_policy.cpp:205:10: style: inconclusive: Technically the member function 'autoware::occupancy_grid_map::fusion_policy::dempster_shafer_fusion::dempsterShaferOccupancy::calcK' can be const. [functionConst]
  double calcK(const dempsterShaferOccupancy & other)
         ^

perception/autoware_probabilistic_occupancy_grid_map/lib/fusion_policy/fusion_policy.cpp:210:10: style: inconclusive: Technically the member function 'autoware::occupancy_grid_map::fusion_policy::dempster_shafer_fusion::dempsterShaferOccupancy::calcOccupied' can be const. [functionConst]
  double calcOccupied(const dempsterShaferOccupancy & other)
         ^

perception/autoware_probabilistic_occupancy_grid_map/lib/fusion_policy/fusion_policy.cpp:215:10: style: inconclusive: Technically the member function 'autoware::occupancy_grid_map::fusion_policy::dempster_shafer_fusion::dempsterShaferOccupancy::calcEmpty' can be const. [functionConst]
  double calcEmpty(const dempsterShaferOccupancy & other)
         ^

perception/autoware_probabilistic_occupancy_grid_map/lib/fusion_policy/fusion_policy.cpp:243:10: style: inconclusive: Technically the member function 'autoware::occupancy_grid_map::fusion_policy::dempster_shafer_fusion::dempsterShaferOccupancy::getPignisticProbability' can be const. [functionConst]
  double getPignisticProbability() { return occupied + unknown / 2.0; }
         ^

Related links

Parent Issue:

• Link

How was this PR tested?

Notes for reviewers

None.

Interface changes

None.

Effects on system behavior

None.

[github-actions]

Thank you for contributing to the Autoware project!

🚧 If your pull request is in progress, switch it to draft mode.

Please ensure:

• You've checked our contribution guidelines.
• Your PR follows our pull request guidelines.
• All required CI checks pass before marking the PR ready for review.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 29.19%. Comparing base (3d849e9) to head (7f3e411).
Report is 948 commits behind head on main.

Additional details and impacted files

@@             Coverage Diff             @@
##             main    #8289       +/-   ##
===========================================
+ Coverage   15.09%   29.19%   +14.10%     
===========================================
  Files        1967     1600      -367     
  Lines      135941   117424    -18517     
  Branches    42122    50610     +8488     
===========================================
+ Hits        20520    34284    +13764     
+ Misses      92700    73963    -18737     
+ Partials    22721     9177    -13544     

Flag	Coverage Δ		*Carryforward flag
differential	10.17% <100.00%> (?)
total	29.19% <ø> (+14.10%)	⬆️	Carriedforward from 5093495

*This pull request uses carry forward flags. Click here to find out more.

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[YoshiRi]

LGTM