refactor(behavior_velocity): occlusion spot generalize detection area polygon

[taikitanaka3]

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[codecov]

Codecov Report

Merging #520 (7cd692a) into main (fa2bca8) will decrease coverage by 5.11%.
The diff coverage is 0.00%.

@@            Coverage Diff            @@
##             main    #520      +/-   ##
=========================================
- Coverage   10.97%   5.85%   -5.12%     
=========================================
  Files         705      68     -637     
  Lines       49781    4934   -44847     
  Branches     7119     671    -6448     
=========================================
- Hits         5462     289    -5173     
+ Misses      39933    4507   -35426     
+ Partials     4386     138    -4248     

Impacted Files	Coverage Δ
...er/include/scene_module/occlusion_spot/manager.hpp	0.00% <ø> (ø)
...ene_module/occlusion_spot/occlusion_spot_utils.hpp	40.00% <0.00%> (ø)
...vior_velocity_planner/include/utilization/util.hpp	5.88% <0.00%> (-2.12%)	⬇️
..._planner/src/scene_module/occlusion_spot/debug.cpp	0.00% <0.00%> (ø)
...ner/src/scene_module/occlusion_spot/grid_utils.cpp	23.71% <0.00%> (ø)
...lanner/src/scene_module/occlusion_spot/manager.cpp	0.00% <0.00%> (ø)
...ene_module/occlusion_spot/occlusion_spot_utils.cpp	9.67% <0.00%> (-0.55%)	⬇️
..._module/occlusion_spot/risk_predictive_braking.cpp	48.38% <ø> (-2.32%)	⬇️
...ene_module/occlusion_spot/scene_occlusion_spot.cpp	0.00% <0.00%> (ø)
...behavior_velocity_planner/src/utilization/util.cpp	29.90% <0.00%> (-7.30%)	⬇️
... and 639 more

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