fix(lane_change): fix chattering for stopped objects

[kosuke55]

Description

fix chattering for stopped objects
the cause is that object direction and extending direction is chattering when stopped.

after

lc_chattering-2023-10-13_16.45.30.mp4

Related links

Tests performed

psim

Notes for reviewers

Interface changes

none

Effects on system behavior

none

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[codecov]

Codecov Report

Attention: 18 lines in your changes are missing coverage. Please review.

Comparison is base (910f30b) 14.83% compared to head (376e2da) 14.79%.
Report is 6 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #5302      +/-   ##
==========================================
- Coverage   14.83%   14.79%   -0.04%     
==========================================
  Files        1662     1662              
  Lines      115035   115405     +370     
  Branches    35476    35748     +272     
==========================================
+ Hits        17066    17077      +11     
- Misses      78738    79073     +335     
- Partials    19231    19255      +24     

Flag	Coverage Δ		*Carryforward flag
differential	12.56% <37.93%> (?)
total	14.83% <ø> (-0.01%)	⬇️	Carriedforward from 910f30b

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

Files	Coverage Δ
..._safety_checker/path_safety_checker_parameters.hpp	33.33% <ø> (ø)
...g/behavior_path_planner/src/marker_utils/utils.cpp	5.75% <0.00%> (-0.02%)	⬇️
...g/behavior_path_planner/test/test_safety_check.cpp	40.24% <0.00%> (ø)
...ner/src/utils/path_safety_checker/safety_check.cpp	22.41% <50.00%> (+0.38%)	⬆️

... and 2 files with indirect coverage changes

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