feat(behavior_path_planner): add getExtendedCurrentLanes with length args

[kosuke55]

Description

Add utils function to extend lanes with specific length

lanelet::ConstLanelets getExtendedCurrentLanes(
  const std::shared_ptr<const PlannerData> & planner_data, const double backward_length,
  const double forward_length);

Related links

Tests performed

psim

Notes for reviewers

Interface changes

none

Effects on system behavior

none

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[codecov]

Codecov Report

Patch coverage: 26.92% and project coverage change: +0.05 🎉

Comparison is base (ac29eb5) 14.35% compared to head (98948fa) 14.40%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #4166      +/-   ##
==========================================
+ Coverage   14.35%   14.40%   +0.05%     
==========================================
  Files        1569     1569              
  Lines      108001   109290    +1289     
  Branches    31248    32284    +1036     
==========================================
+ Hits        15500    15748     +248     
- Misses      75647    76288     +641     
- Partials    16854    17254     +400     

Flag	Coverage Δ		*Carryforward flag
differential	13.49% <26.92%> (?)
total	14.35% <ø> (-0.01%)	⬇️	Carriedforward from ac29eb5

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

Impacted Files	Coverage Δ
...nner/include/behavior_path_planner/utils/utils.hpp	45.45% <ø> (ø)
planning/behavior_path_planner/src/utils/utils.cpp	15.48% <26.92%> (+0.16%)	⬆️

... and 21 files with indirect coverage changes

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